Some army leaders were concerned with the influence of the SA. The NightoftheLongKnives persuaded them that Hitler could be trusted
Some senior officers, such as generals Blomberg and Fritsch were skeptical of the Hossbach Conference in 1937 as they felt Germany was not ready to start a war. They were both forced to resign
In 1938, General Beck opposed Hitler's plans to invade Czechoslovakia. After he resigned, he plotted to overthrow Hitler and was involved in two unsuccessful bomb plots
The Stauffenberg bomb plot was the most famous example of resistance to the Nazi regime