CURRENT AFFAIRS

Detailed explanation-1: -In the 1940s, the U.S. Immigration and Naturalization Service built chain-link barriers along the border. U.S. President George H. W. Bush approved the initial 14 miles of fencing along the San Diego–Tijuana border.

Detailed explanation-2: -When we speak of the U.S.-Mexico border, formally established in 1848, we have to consider that it’s both a physical space as well as an ideological representation of two different places. For much of its history, humans flowed somewhat seamlessly through this physical space.

Detailed explanation-3: -The border was established in the 1819 Adams–Onís Treaty between the United States and Spain, which specified a border in the vicinity of the western edge of the Mississippi River watershed. Mexico gained its independence from Spain, and the border was reaffirmed in the 1828 Treaty of Limits.

Detailed explanation-4: -Texas claimed the Rio Grande as its southern border. Mexico said the Nueces River, to the north, should be the border. The dispute simmered until Dec. 29, 1845, when the U.S. annexed the Lone Star State, and sent troops to the Rio Grande a month later.

Detailed explanation-5: -The 1, 951 mile U.S.-Mexico border is the busiest in the world. Each year the our southern border allows in more than 300 million people, approximately 90 million cars, and 4.3 million truck crossings.