Answer:
Sponges were among the earliest animals. While chemical compounds from sponges are preserved in rocks as old as 700 million years, molecular evidence points to sponges developing even earlier.
Called for mexico to pay the united states 15 million
The American Civil War was a civil war fought in the United States from 1861 to 1865, between the North and the South. The Civil War began primarily as a result of the long-standing controversy over the enslavement of black people


As Europeans moved beyond exploration and into colonization of the Americas, they brought changes to virtually every aspect of the land and its people, from trade and hunting to warfare and personal property. European goods, ideas, and diseases shaped the changing continent.
The Europeans brought technologies, ideas, plants, and animals that were new to America and would transform peoples' lives: guns, iron tools, and weapons; Christianity and Roman law; sugarcane and wheat; horses and cattle. They also carried diseases against which the Indian peoples had no defenses.