Before the order, due to friction between the two, Stalin had frequently requested that Trotsky be relieved of his position, but it was believed that Trotsky would be a better leader than Stalin....
It was set by Lenin, in his testament, that Stalin was not to takeover control as the party leader, and to be removed from his position as General Secretary, as Stalin in Lenins eyes had lack of loyalty, tolerance, and politeness.
However, different factors, such as Lenins funeral, Stalins position as General Secretary and the rise of bureaucracy, and Stalins relationship to Kamenev and Zinoviev, made it possible for Stalin to become the undisputed leader over the USSR in 1929....
In 1921 Trotsky already gave his first instruction about establishing criminal connections with the German intelligence service. In 1926 came the second instruction. The first instruction was given to Krestinsky, the second to Rosengoltz. At the end of 1924 a recruiting aent of the intellience service called on me; I could have thrown him down the stairs, because he resorted to blackmail. But when he said: "Do not forget that we obtained the agrement for you because we learnt that you were a Trotskyite, " this touched the Trotskyite strain in me. I gave no answer at the time, I talked it over with Trotsky. We knew the position we were in. I had been removed from the Ukraine, some had been removed from the Central Committee, Smirnov had been removed from the Siberian Revolutionary Committee, Radek and Pyatakov were also at loose end, and Trotsky was saying that in the very near future, within the next few days, he would have to quit the Revolutionary Committee, unless he wanted to be ousted from it with a bang.
The people after his job were Trotsky, Stalin, Kamenev and Buckharin.
And it must be said that from the very first moment we Trotskyites adopted the attitude of antagonists of the Party leadership. From the very first moment. Brest-Litovsk. I shall not refer here to the testimony (you know it) which clarifies Trotsky's role during thc period of the Brest-Litovsk negotiations. The discussion about the trade unions. What was that? It was a trial of forces. The accused Zelensky mentioned facts here which will perhaps reveal that there was in general another attempt there, only, as far as remember, all the persons whom he mentioned did not belong to the Trotskyite faction, but to the so-called D. C. faction, the faction of Democratic Centralism. We suffered defeat and immediately adopted an orientation toward foreign states. It is sufficient just to remind you of the fact which was here established. We suffered defeat in 1921 in the discussion on the trade unions. The Party in its striving to consolidate its internal unity removed a number of Trotskyites from the Central Committee.
The real contest was between Trotsky and Stalin.
R. - Yes, but of course you do not believe me. I have come to that moment where I had explained that I am talking about a person and persons with a personality ... how should one say? ... a mystical one, like Ghandi or something like that, but without any external display. Mystics of pure power, who have become free from all vulgar trifles. I do not know if you understand me? Well, as to their place of residence and names, I do not know them ... Imagine Stalin just now, in reality ruling the USSR, but not surrounded by stone walls, not having any personnel around him, and having the same guarantees for his life as any other citizen. By which means could he guard against attempts on his life? He is first of all a conspirator, however great his power, he is anonymous.
G. - You forget about the United States.
G. - I value in Trotzky only that he in a sort of literary form interpreted an opinion of a fact which as such was too well known, with which one had already reckoned previously. Trotzky himself states quite correctly that these bankers "carry out irresistibly and unconsciously their revolutionary mission."