It has made security is stricter in many places but mainly in airports they started checking bags more often and searched bodies in a thoroughly manner.
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1 = Subduction Zone
2 = Fault
3 = Earthquake/the mountian (not sure which)
4 = Earthquake/the mountian (not sure which)
The correct answer is Japanese immigrants
According to the gentlemen's agreement, the United States would not ban Japanese people from entering the United States, however, Japan would not issue passports to those who would want to go to the US, so the ban on immigration would not come from the United States but rather from Japan who didn't want its citizens emigrating.
This period was known as the baby boom, and this generation is still referred to as the "baby boomers," this being because there was a huge increase in the birth rate as people returned home from the war.