According to history, the Native Americans contracted the diseases brought over from Europe by the first settlers, and since the Native's immune systems had never been in contact with these diseases, many died. Short answer: American Indian populations were decimated by diseases brought by the Europeans.
maybe that he's ambitious, uptight, or old minded since he claims people are naturally selfish or evil what's the difference with him? what automatically makes him better than others? (♀️)
<span>First Transcontinental Railroad - </span><span> Here's a link that should give you all of the information you need about the transcontinental railroad.</span>