What became a major issue in Congress following Missouri's request to join the United States in 1820?A. The slave trade in Washington, D. C.B. The Fugitive Slave Act upsetting people in the NorthC. The possibility of war with MexicoD. The balance between free states and slave states

What were two theories put forth by marx?

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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

How long have counties been a part of the government structure of the united states?