The positive effects were that they were allowed to easily assimilate and become a part of the American society according to American traditions. They were given all rights that all other citizens of the United States had which meant that they could vote or purchase property or anything similar.
The negative effects are that in assimilating them they would often abandon their own culture in order to adapt so they were not included as so much as assimilated. The idea was not to make the two cultures co-exist, but rather have the Native Americans become like the everyday US citizens.
Locus are a larger version of a grasshopper. When they breed they do it abundantly and they can cause serious crop damage when they fly in swarms. By the way this would be more of a science question. ;)
Your second question is a history one: I believe the answer is Nelson Mandela. He was the first democratic president of the Republic of South Africa. He was "sworn in" in 1994 at the age of 74 or 75 I believe.
The main reason the United States decided to build a canal across Panama instead of Nicaragua was that both the land and the building rights were far less expansive. hope this helps (:
Chinese americans moved west and also the Cherokee Indians back than where they were forced to move west then they got killed and that is why they call it the trail of tears because some who made it to the west and others who didn't, they call it the trail of tears because they still got killed either way.
It was invented by the Sumerians, so it would be Sumer
