What were Lenin’s main concerns about Joseph Stalin?

As their relationship deteriorated, Lenin dictated increasingly disparaging notes on Stalin in what would become his testament. Lenin criticised Stalin's rude manners, excessive power, ambition and politics, and suggested that Stalin should be removed from the position of General Secretary.

Explanation:

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).