Florida (1819) In 1819, the United States signed the Adams-Onis Treaty with Spain, making Florida a part of the United States.
Missouri (1820) Missouri was added to the United States in 1820, as part of the famous Missouri Compromise.
Texas (1821) In 1821, a man named Stephen Austin led the first American families into Texas, which at the time, was still claimed by Spanish Mexico.
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The answer is c have rights to slaves
England's southern colonies in North America developed a farm economy that could not survive without slave labor. Many slaves lived on large farms called plantations. These plantations produced important crops traded by the colony, crops such as cotton and tobacco.
And
Throughout the 17th and 18th centuries people were kidnapped from the continent of Africa, forced into slavery in the American colonies and exploited to work as indentured servants and labor in the production of crops such as tobacco and cotton.
