What are the differences between primary and secondary sources?

What was the result on the u.s. economy because of the major changes in atlantic shipping prior to and during the war of 1812?

Describe the relations between the united states and other countries under the articles of confederation. 3-4 sentences

Me! will mark brainiest! essential questions: • for what reasons will one group of people exploit another? focus questions: • what influenced the development of the south more: geography, economy or slavery? • what were the economic, political and social arguments for and against slavery in the first half of the 19th century?