<span>Below are the answers:
4. D - </span>Membership in the League could draw the United States into future wars.
5. B - Native American veterans gained U.S. citizenship after the war ended.
6. B - passing of the Espionage Act
13. A - The United States was hit by a brief recession.
14. B - register with the government
15. A - Soldiers experienced increasingly unsanitary conditions, including rat infestations.
16. C - Journalists had an important influence on Americans’ attitudes about the war.
18. A - The war gave African Americans new economic opportunities working in war industries.
Answer:
Sandia National Laboratories has been serving as a national defence R and D labs for last fifty years. It started in 1945 in New Mexico and was part of Manhattan Project which built the first nuclear weapons. The project helped US to gain advantage during the second world war and also during the cold war as it was the only country that had atom bombs. It was funded by US department of Energy for designing non-nuclear weapons for nuclear weapons of US. It has been preserving the national security by working with various industry groups and departments of US government.
Upton Sinclair, Frank Norris and Ida Tarbell made their greatest contributions to the Progressive movement by (4) publishing books and articles to expose the problems of society. Upton Sinclair wrote a book which showed the dangerous and unsanitary lives workers of the Meatpacking District went through on a daily basis, Frank Norris exposed the struggle railroad workers go through with their bosses and the unfairness of the railroad workers life in California and Ida Tarbell wrote about the manipulative men behind the oil trade.
Because he feels it is unnecessary
