Answer:
A. Airplane
Explanation:
Around 1918, Air delivery, became the new mode of transportation for mail, as it rendered railroad services unnecessary. During this period, the Post Office moved on the airplane bandwagon early, there by, offering air mail service in the early 1900s.
Hence, the 1900's technological invention which allowed the U.S. postal service to deliver the mail considerably faster than previous methods is AIRPLANE.
Early human<span> migrations and expansions of archaic and modern </span>humans<span> across continents began 2 million years ago with the </span>migration out of Africa<span> of Homo erectus. </span>
The Spartans fought in a Phalanx; or as a group; as one unit. the Greeks were defeated because they fought as a mob. after the battle, they began fighting as one instead of as individuals, a concept we still use today
Answer:
Summarize this in simple words. If you intend to sale one male slave for 20 dallors and family would provide a price of 30 dallors. You would lose 10 dallors on the sale.
Explanation:
Now slave owners of blacks would usually without letter of the law trade under the table and the law would have no way to track these sales. This was formal right of sell to protect families trying to be separated. I believe later on in US history this law is abolished or dissolved. Of course very few blacks could read or write and had no position to fight law written for the sale of his property. There are few cases in US history that did win these legal battles. They are more like a needle in hay stack.
