The Federal Reserve<span> System is the central bank of the United States. It was founded by Congress in 1913 to provide the nation with a safer, more flexible, and more stable monetary and financial system. Over the years, its </span>role<span> in banking and the economy has expanded.</span>
The start of our Independence. That's why we celebrate the 4th of July. Independence Day.
The answer should be tractor. The tractor wasn’t invented until the end of the 18th century by John Froelich. But the medieval period ended way before the 18th century, so it couldn’t have been used. The other options are older and most likely used during that period to increase crop production.
