D. The japanese had to pay reparations to all the allied nations
A. Vargas returned with settlers
Explanation:
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Answer:
The development of space travel, and Nuclear warfare.
Explanation:
Development of rockets wasn't the only thing that helped further thinking of the major superpowers. It also further develop Nuclear Warheads, which resulted in the Cuban incident.
Answer:
The Kansas-Nebraska Act was an 1854 bill that allowed settlers of the terms of the Missouri Compromise of 1820 would become a free state. The question of whether the territories would be slave or free would be in 1861 after an internal civil war, southern states had begun to secede from the Union.