How do historians build and support their historical arguments

By june 1943, the allies had regained control of north america. what was the advantage of controlling this region? what would you describe the axis's situation in europe in 1942? how might the axis have benefited by gaining control of great britain by 1942? the last questions of my quiz 10 points more than normal answer it honestly so i can get a good grade < 3

How did people in the 14th century understand black death

What issue led to the split in the democratic-republican party in the late 1850s