<span>b. the Germans’ use of unrestricted submarine warfare-because the Germans sank many of America's non-military ships using submarines</span>
Election polling has evolved considerably since that inaugural issue. Perhaps most notably, there has been an explosion in the number of election polls in the United States. Traugott (2005) estimated a 900-percent increase in trial heat polls between 1984 and 2000. The number has continued to grow since then, due largely to the rise in interactive-voice-response (IVR) and Internet polls since the 2000 election.
ANSWER: B(henry clay)
Hope it helps if so lmk
Pro slavery advocates believed slave owners had a right to transport slaves into the territories; antislavery advocates argued that this gave slave holding settlers an unfair advantage over non-slave holding settlers.
Pro slavery advocates argued that the slave status of Kansas should be determined by popular vote; antislavery advocates argued that Kansas should be free because of its location north of the 36° 30' parallel.
Pro slavery advocates contended that free African Americans in Kansas should not be permitted rights under the state constitution; antislavery advocates argued that the federal constitution took precedence over Kansas’s state constitution.
Pro slavery advocates held that slavery in the state was legal, as established in the Missouri Compromise of 1820; antislavery advocates argued that this legislation was invalidated by the Supreme Court’s ruling on the Dred Scott case.
It was "John Marshall" who established the role of the Supreme Court in judicial review, since he believed that this was a necessary measure in order to ensure a proper system of "checks and balances" in the federal government.