Well in this country we define citizens as anyone being born as United States citizens as being natural born. They can be from any country and their child may be a citizen of the U.S. This can be controversial but ultimately it does very little for anyone to do this and if so can lead to some conflict on federal or state terms. Besides that you can be a citizen even if you were not born in the US this is either done by immigrating legally and passing various tests or by having one parent be an American citizen. Either or is acceptable.
They would be in their 40's or there 50's because the war happened in the 90's .
The answer for this would be option B. How the Congress see the reconstruction as compared to Andrew Johnson's is that, the Congress had accepted the Black Codes while Andrew Johnson rejected this along with the Civil Rights Bill. Andrew Johnson is known as the 17th president of the United States.
They are called Calvary.
<span />
He led the colonial forces to victory over the British and became a national hero.