Reconstruction lasted from 1863 to 1877, reconstruction abolished slavery and the communist. Reconstruction made the newly freed slaves have rights.
New technologies can help us because we are far more advanced now and we can study and comprehend further back in time and see how thing we’re and dig deeper and find prehistoric fossils and bones and study then more and more. And also technology helps us study the ocean more because as of right now we only know about %1 of the ocean and we can go deeper in the ocean and learn more about animals
Its not much but, C IS NOT THE ANSWER. So cancel c from choosing, srry i couldnt be as of much help:(
In South America, there are many corrupt governments and violent gangs. The governments were put there by the Soviets or Americans. It was the Cold War (which was about influence) and so they put many governments in charge. This lead to mass immigration to the U.S were life was easier and Texas just so happened to have the largest border with Mexico than any other state.