World War II

2. a federal socialist state in Northern Eurasia that existed from 1922 to 1991
5. political and economic doctrine that aims to replace private property and a profit-based economy with public ownership
7. a person who is not in the military
8. Airplane that dropped the first nuclear bomb on Hiroshima
9. A secret U.S. project for the construction of the atomic bomb.

1. City in Japan, the first to be destroyed by an atomic bomb, on August 6, 1945. The bombing hastened the end of World War II.
3. a system of government by the whole population or all the eligible members of a state, typically through elected representatives.
4. the world's only truly universal global organization
5. an economic and political system in which a country's trade and industry are controlled by private owners for profit, rather than by the state.
6. North Atlantic Treaty Organization; an alliance made to defend one another if they were attacked by any other country; US, England, France, Canada, Western European countries