Which country controlled vietnam prior to the vietnam war? (5 points)
france
soviet union
indochina
united states

France was a country which controlled Vietnam prior to the Vietnam War as their protectorate.

Explanation:

After WWII, Vietnam won independence but France still controlled the country until Nguyễn Tất Thành took over in 1954. In 1959, North Vietnam launched and forced a system to reunify the country, which pointed to an outbreak of the American War in Vietnam in the early 1960s. It was a close result of the First Indochina War (1946–1954) within France, which maintained Vietnam as a colony, and the communist forces .In 1973 a “third” Vietnam war began a continuation, actually within North and South Vietnam but without significant U.S. preoccupation.

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.