Sphere because of the sun orbit around the solar system
B. They can often include and affect other factors which can be difficult to find a solution that doesn’t leave behind a negative affect.
events that occurred in the 20th century that were mainly because of the wars were the fall of four major monarchies (Russian, Austrian/Hungarian, German and Turkish) and conflicts in alliances (world war 1). and a huge event that occurred in the 20th century was the great depression.
sorry i didn't include all of it, that's as much as i could remember haha, hope this helped at least a little!
I'm what is this I'm not following are you asking if this is true?
