21.The crucial role in capturing San Juan Hill was played by a.the Tenth Negro Cavalry. b.Theodore Roosevelt’s Rough Riders. c.Commodore George Dewey. d.the Nineteenth Marine Unit. 22.As a result of the Spanish-American War, a.Theodore Roosevelt emerged as an anti-imperialist. b.William McKinley expressed the desire to acquire the Philippines. c.Congress voted to declare Philippine independence. d.William McKinley was not reelected. 23.Which of the following was NOT acquired by the United States as a result of the Spanish-American War? a.the Philippines b.Guam c.Puerto Rico d.Midway Islands 24.After Dewey’s victory, Filipino leader Emilio Aguinaldo a.petitioned Congress for Filipino statehood. b.wrote to President McKinley to plea for annexation. c.declared the Philippines an independent country. d.immediately attacked American forces. 25.An appalling aspect of the Filipino War was a.America’s use of Spanish troops to put down the nationalist rebellion. b.the brutal suppression of the antiwar movement. c.atrocities committed by the American army drew no attention from Americans. d.the death of many Filipinos in concentration camps. 26.The United States and European nations contested spheres of influence in a.the Philippines. b.China. c.Cuba. d.India. 27.The Open Door policy: a.lasted only a few years. b.allowed America to create an informal economic empire. c.was applied as much to Japan as to China. d.did not prevent the British takeover of China. 28.The main Asian imperialist power around the turn of the twentieth century was a.Japan. b.China. c.Korea. d.Thailand. 29.America supported Japan in the Russo-Japanese War because a.the American military relied on Japanese technology. b.Russia had approved of open door policies in China. c.pro-Japanese sentiment was strong in California. d.Russia had obstructed open trade in Manchuria. 30.All of the following are true about America’s presence in Puerto Rico EXCEPT a.the military invaded the island during the Spanish-American War. b.the Supreme Court ruled that Puerto Rico deserved the right to statehood. c.the islanders became disappointed with the economic dominance of American capital. d.negotiators made the territory a vital aspect of the Treaty of Paris.