Why did the United States encourage a revolution in Panama? to open trade in Panama and Nicaragua
to protect Panama from foreign influence
to secure the rights to build the canal

to protect Panama from foreign influence to secure the rights to build the canal to open trade in Panama and Nicaragua.

Explanation:

so basically B.

The U.S. encouraged a revolution in Panama to secure the rights to build the Canal.

the united states presidential election of 1844 was the 15th quadrennial presidential election, held from november 1, to december 4, 1844. democrat james k. polk defeated whig henry clay in a close contest that turned on the controversial issues of slavery and the annexation of the republic of texas.