Will mark brainliest Urgent.

As president, what was George W. Bush’s main accomplishment regarding immigration?
A. He proposed and signed into law a guest worker program.
B. He succeeded in ending illegal immigration into the United States.
C. He authorized a 700-mile-long fence along the US border with Mexico.
D. He changed US immigration policy and allowed illegal immigrants to stay.

C. He authorized a 700-mile-long fence along the US border with Mexico.

Explanation: President Bush authorized the construction of a 700 mile long fence .A pool of 80-19 was conducted on 29/9/2006 where the senate established H.R 6061 approval and backing of the fence construction along the border. In addition to that Bush administration increased the size of the Border Patrol to 1000 new agents. The boarder control further installed monitoring devices to detect any border illegal activities.

not really sure i needed the points. sorry