In the African countries where HIV/AIDS is a big problem the economies have big problems. People that have it are usually young people, they lack the physical power and the concentration to be effective workers, or they can not work at all, and this affects the economy because the efficiency is very low or non existent from the people that have HIV/AIDS. Also, this means that this people need medical care, an expensive one, and they usually do not have the resources to pay for it, so the governments spend big amounts of money on this as well.
Answer:
The boarder between the USA and Mexico what moved South.
Explanation:
Mexico lost the Mexican-American War from 1846 to 1848. In doing so it lost about one-third of its land to the USA. Texas was taken and the boarder was changed to the Rio Grande. Mexico also ceded modern-day California, Nevada, Arizona, Utah and New Mexico. Some regions of Colorado and Wyoming were also included in this.