Answer:
Input.
Explanation:
Input is what's going in, output is what's coming out. Output would be sound.
Answer:
1. Germany invades poland Sept. 25th 1941
2. France falls to German forces June 22nd 1940
3. Battle of britain. Jul, 10th 1940
4. Japan bombs pearl harbor nov, 25th 1941
A...bay? I don't really know, Im just guessing.
