War for Freedom. In the four years of the American Civil War, the United States began to redeem itself from the 250-year-long tragedy of slavery. On the battlefields of that war, and in the buildings, artifacts, documents, and stories they contain, four million African Americans won their freedom.
The 2nd one i think ................................
Answer:
Due to increases in labor and land productivity.
Explanation:
The Agricultural Revolution was the unprecedented increase in agricultural production in Britain due to increases in labor and land productivity between the mid-17th and late 19th centuries. The Agricultural Revolution has therefore been cited as a cause of the Industrial Revolution.
Answer:
c. The emperor wanted to gain control over bordering kingdoms and have them pay tribute.