Resident Alien
Depends on how you define 'people of the US'. People living in the US are not by definition US citizens. They can be nationals of other countries if they stay on a residence and/or work permit, or they may be illegal aliens.Others may be citizens of the US (for instance, by being born from US parents) but live outside the USA all of their lives and even also be the citizen of another country at the same time.
They didn't. The South had declared that they were not US citizens.
A person who lives in Puerto Rico already lives in the US because Puerto Rico is an unincorporated organized territory of the US. People born in Puerto Rico as US citizens. So, if you are a legal resident of Puerto Rico you can move to any other part of the US if you want to and can pay for the transportation to get there.
It would have cost many more lives of US citizens (and been impractical).
The same thing that unites the citizens of any other nation.
Yes. Persons born in Puerto Rico, the District of Columbia, Guam, and other US territories are US citizens.
much more
Approximately 20% of US citizens speak a language other than English at home, indicating they are bilingual or multilingual. This percentage may vary depending on the region and demographics of the population studied.
Yes, US citizens need a visa to travel to Poland for stays longer than 90 days. For stays up to 90 days within a 180-day period, US citizens can travel to Poland and other Schengen countries for tourism or business purposes without a visa.
No
1. The US The United States devotes a smaller percentage of its resources to government.2. The US does not have a national system of insurance.3.The US in general impacts it's citizens lives much less that other similar countries