The laws from many years ago I think
The first general issue postage stamps went on sale in New York City, July 1, 1847. One, priced at five cents, depicted Benjamin Franklin. The other, a ten-cent stamp, pictured George Washington.
Slaves from africa where brought to the americas to mine and work in farms
Explanation:
<h2>Answers.</h2>
The Columbian Exchange introduced exotic crops like corn ,white potatoes, sweet potatoes ,beans,tomatoes, peanuts and blueberries to Europe. Non-native grains like wheat,barley and rice became commonplace on American soil and increased the variety of crops that could be stored through the winter.
I think it was the boston tea party
