What are some words that start with h in world war 1?

What did a Roman emperor do? What conditions led to World War 2? Why was World War 2 bloodier than World War I? What is the name for a person who made a contract to work for a certain number of years in exchange for passage to the New World and a place to live? How did sugar and gold change slavery in west Africa? What did thomas becket wear under his robe? Who invented note cards? What are the proper nouns in On the morning of August 6 1945 an American bomber released an atomic bomb over Hiroshima a city of 34300 people in Japan? What is the original meaning of Holocaust? What changes accured during 1450-1550 that changed the world forever? Hooray to you or hooray for you which one is right English? What is the definition of a turning point in history? What was the impact of Cuban revolution on latin America? What effect did the mandate system have on national borders after we1? Did portia white marry? The Revolutions of 1848 were motivated by what ideas? In order to get more farmland the greeks? When did they start building the wtc? What did Africa exports of great Britain during triangular trade? What continent is the persion empire mostly on?