What was the key german weapon in the battle for the atlantic?

Which statement best describes a major advantage of a confederal system of government over a unitary system

The primary goal of the abolitionist movement was to a) immediately emancipate or free all enslaved people. b) allow the gradual release of enslaved people. c) end the importation of enslaved people from africa. d) make mandatory the education of all enslaved people.

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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.