The Great Compromise was basically a compromise in government that allowed each state to be represented equally.
I would go with the 3rd option, but don't just count it yet. I'm 70% confident.
Harsh jungle environment
difficultly identifying the enemy
demoralization
there was a chemical used called agent orange, but it was used by the U.S. so i dont think it would be categorized as something that american soldiers faced.
The answer is B) Colonization of Congo
The 1967 Six Day War principally involved Israel and Egypt with Jordan and Syria joining later to help Egypt. This was is also sometimes referred to as June war and it was fought from 5th of June to 10th of June in the year 1967. This was a war that was fought between the Arab countries and Israel.