New weapons were introduced during World War I such as gas, aircraft, tank, submarine, machine gun, and telephone, was used against the enemies. As a result of using these new inhumane weapons, during World War I many people died than the previous wars.
Latitude measures D) distance north or south of the equator.
A major problem for the United States after the Revolutionary War (1775-1783) was that tens of thousands of Loyalists, due to the climate of violence and fear that still existed after the conflict (particularly in the South), fled the country, retreating with the British army to Britain and other parts of the British Empire (Jamaica, Bahamas, India) and also to Canada, settling primarily in the regions of Nova Scotia and New Brunswick. Since those Loyalists were often wealthy and educated, and they had been part of the thriving and cohesive upper class that controlled much of the industry and the commerce in areas such as New York or Boston, the social structure of the colonies changed significantly after their departure.
Most of the African continent is on a high "plateau". Although it is true that African contains the largest desert in the world, the desert itself is not physically "high" in the same sense.
