Is puerto rico part of the united states of america? if so how long has it been part of the usa?

Which of the following resulted from the passage of the dawes act in 1887?

What was the difference between bombing military targets in the united kingdom, and bombing the city of london? a. bombing a city kills lots of innocent civilians, bombing a military target doesn't b. bombing military targets didn't force the u. k. to surrender, but bombing london did c. military targets were bombed by japan, while london was bombed by the nazis d. london was bombed before the u. s. entered the war; military targets were bombed afterward

Why dose the third fire go out in to build. fire