Two things that increased american interchanges in the late 1800s were "b. the telegraph and telephone," since both of these creations significantly accelerated correspondence and made it more productive.
This was a book written by Allan Grantz about a kid named Michael, who was a member of the Hitler Youth, but he and his parents were spies. Michael and his family helped the Allies to send coded messages with the locations of Nazi factories. Projekt 1065, was a prototype Nazi jet plane they used to complete their plan.
The African American population of
cities in the northern states increased during the American Revolution.
<span>The population increased because great
migration increased at that time. African American people have a great role in
America Revolution, black and white people fought together even in three
musicians with General Washington at Yorktown, and one of them was black. </span>
