Which cause of the Spanish-American War best explains why the sinking of the USS Marine led America to declare war on Spain? A. economic investment

B. leak of De Lôme Letter

C. Manifest Destiny

D. use of yellow journalism

Marine exptoration of oil uses seismic waves to locate oil in the seabed. what is a negative impact from seismic waves on the aquatic ecosystem of the ocean? a.seismic waves kill microoganisms b.seismic waves disrupts the sand and causes seafloor erosion c.seismic waves have virtually no adverse affects on marine life d.seismic waves damage the sonar that dolphins and whales use to orient themselves underwater

Who was william johnson? a. a revolutionary war veteran b. was the most prominent free black in mississippi c. a field slave d. inventor of the cotton gin

Which of these events was a severe setback for the u.s. war effort in the pacific?