Which statements describe causes of the Spanish-American War? Choose four correct answers. The US blamed Spain for the USS Maine explosion. US newspapers exaggerated stories so citizens would support the war. US businesspeople relied on Cuba for oil. Spain was closely allied with Mexico during the revolution. The Monroe Doctrine did not allow European interference in the Americas. US businesspeople had invested in Cuba, particularly in sugar.

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.