What was the missouri compromise? why did cause so much controversy?

The Missouri Compromise was the legislation that provided for the admission to the United States of Maine as a free state along with Missouri as a slave state, thus maintaining the balance of power between North and South in the United States Senate. As part of the compromise, slavery was prohibited north of the 36°30′ parallel, excluding Missouri. The 16th United States Congress passed the legislation on March 9, 1820, and President James Monroe signed it on March 6, 1820.

the answer to fill in the blank in this question would be the word resource, it is defined as the money, material or people (since human resource is a very valuable good) that a company or a person has at disposition (meaning they can use the resource as they see fit), to be able to complete a task or achieve a goal.  

the alfred thayer mahan award for literary achievement is awarded each year by the navy league of the united states. the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation. presented since 1957, "this award for literary achievement is awarded to a u.s. navy officer, u.s. marine corps officer, enlisted service member, or civilian who has made a notable literary contribution that has advanced the knowledge of the importance of sea power in the united states."[1]