I believe the answer is the second one :)
When Sputnik went into orbit in 1957, America went into a panic. Only President Dwight Eisenhower retained his composure and understood that the United States was far superior to the Soviet Union in scientific research as well as in military firepower.
Answer:
The leage of nations was the predecessor the UN. The UN basically wanted to promote piece in thw world, and mediate small scale conflicts between countries to prevent war
Explanation:
Production of more food--the system allowed for more food to be produced which fed the workers in an industrial economy.
The 'four-field system' rotates crops between the 4 fields no longer needing to keep one empty because one of the crops would replenish the field with nutrients while the others take nutrients away from the fields. <span />