Answer: A, C, D are the answers!
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D. Political cooperation
The mayflower compact was an agreement of all colonists on board to work together for the equal benefit of all.
Soak the dishes in hot soapy water, or wash the dishes in hot water, then dunk them strait into cold water, flash killing all the germs
Airplanes and submarines were used for the first time, initially to locate the enemy. Field telephones and sound equipment was also used to find the enemy's location. Still, some new weapons and technology used such as chemical warfare, flamethrowers and submarines caused great fear and chaos during World War I.
The pharaoh Ramses II (RAM-seez) ruled from about 1290 to 1224 B.C.E., during the New Kingdom. Called Ramses the Great, he is one of the most famous pharaohs. He reigned for more than 60 years, longer than almost any other pharaoh. ... At the age of ten, Ramses was made a captain in the Egyptian army.