A country needs rules to keep Law and Order without this the countries government system will fail. Proving citizenship is important because of the currency, take Mexican immigrants for example they cross the border illegally and find work on american soil, then the majority send money back to their family in mexico because american dollars are slighty worth more than "pesos" this over time will ruin the american economical system and this is why citizenship is important to a country.
The United States and the Soviet Union were in the middle of a Cold War. To have their enemies rockets so close to home is devastating.
The missiles on Cuba meant that the US was of the striking range and the threat of nuclear war increased exponentially. The Soviets could use those rockets to attack the US and they could not have time to react. Defending against that kind of force, so close to the border would be a nightmare and would certainly lead to great loss of life.
Two possible reasons for Akhenaten changing
to a monotheistic belief system are: he really did believe there was only one
god and he feared
the wealth and power of the priests.
Akhenaten known before the fifth year of his
reign as Amenhotep IV, was an Ancient Egyptian pharaoh of the Eighteenth
Dynasty who ruled for 17 years and died perhaps in 1336 BC or 1334 BC.
The correct answers between all
the choices given are the 2nd and last choices or B and D. I am
hoping that this answer has satisfied your query and it will be able to help
you in your endeavor, and if you would like, feel free to ask another question.