88% <span>people owned slaves in the 1800's</span>
The answer to your question is C. 10 years
<span>The Committees of Correspondence were the American colonies’ means for maintaining communication lines in the years before the Revolutionary War. In 1764, Boston formed the earliest Committee of Correspondence to encourage opposition to Britain’s stiffening of customs enforcement and prohibition of American paper money.
It was established by Samuel Adams and James Warren.</span>
According to Shirer, the war in Europe was delayed by allowing Germany to take over Czechoslovakia. The rest of the Europe felt satisfied because the war would not take place.
Answer: I'm in 8th grade so forgive me if i'm wrong (kinda rusty) but i believe it is... canals,dams,and levees
