That would be the speaker of the house
<span>Nearly all colonies and, later, states in the United States were settled by migration from another colony or state, as foreign immigration usually only played a minor role after the initial settlements were started. Many new immigrants did end up on the frontiers as that was where the land was usually the cheapest.
</span>
Answer:
B
Explanation:
new pathogens their bodies couldn't handle
Answer: D. construction and protection of roads that ensured safe and easy travel
Explanation:
Under Genghis Khan and his descendants, the Mongols conquered much of Asia and some of Eastern Europe such that they created the largest land empire ever seen.
Even though these Mongols could be brutal in conquest, they increased trade in the region by repairing the networks of roads that connected their conquered areas as well as constructing more. The protection they afforded these roads was renowned thus making travel easy.
