Hitler was confident about invading russia because he had recently captured spain. france. great britain. switzerland.

The correct answer is France. Great Britain was never captured while Switzerland and Spain were neutral and didn't participate in the war. He believed that he could attack Russia and take it because he didn't have to wory about things in the western front, but the United States entered the war and ruined his plans. They created room for Russians and the Russians destroyed Hitler's forces.

X= 1.26415 the answer is above