In World War I, the Germans used large amounts of poison gas against their enemies. In 1915 a large poison gas attack by Germany against the Russians failed. Why?
Because of the Russian winter the shells froze.
The smog in Russia meant that the artillery shells were fired without knowing where to aim.
The German howitzers could not move in marshland.
The poison gas was dispersed by the very moist Russian summer.
The Second Continental Congress approved the Declaration of Independence on July 4, 1776. What politician had written a day earlier to his wife Abigail that "The second day of July, 1776, will be the most memorable epoch in the history of America."?
John Adams
Richard Henry Lee
Thomas Jefferson
James Monroe
