Q: What do you think the role of the United States should be in the world?

The United States of America is the world's foremost economic and military power. It has the third largest population in the world (325 million) and its economy produces around one quarter of the world's wealth – $17.97 trillion in 2015. Income in 2015 was $56,300 per capita, one of the highest in the developed world.

Explanation:

4 copper and gold, the california gold rush is why im pretty sure.

answer: this is because archeologists keep finding artefacts and ancient ruins dated more than 10000 to 15000 years, date around scientists said humans discovered language; which is at least mysterious as scientists always have said that is necessary to have a language to have architecture and some basic maths.

explanation: brainlest