Hold on give me a minute then I can help
Answer:
i think you can search this up if you use key words
Explanation:
Answer:
Large-scale Mexican-U.S. migration has changed social, economic, and cultural life on both sides of the border. Migration to the United States can offer increased earnings and savings accumulation (Gathmann 2008).
One very famous, perhaps the most famous way was through improvised vaccination. Specifically, George Washington ordered his healthy men to be injected with substance taken from the wounds of the sick men during a smallpox infection.
A risk was that those men would get sick just like the the sick men did, but the the potential reward would be that they would get sick in a controlled way and that they would be able to fight this disease.
They had to walk the north west river it the longest river
