The pink line on the map represents a border established in 1819 when the United States signed a treaty with which other country?

spain

Explanation:

The Adams–Onís Treaty of 1819, also known as the Transcontinental Treaty, the Florida Purchase Treaty, or the Florida Treaty, was a treaty between the United States and Spain in 1819 that ceded Florida to the U.S. and defined the boundary between the U.S. and New Spain.

lies are not protected speech because they have no social value.

моля да ми помогне с английски език аз не разбирам

molya da mi pomogne s angliĭski ezik az ne razbiram