When were dates first stamped on coins?

Which best describes immigrants in the 1920's that were known as braceros? What nation was the most imortant trade partner of the US? How did the north react to fugitive slave acts? How much is an uncirculated 1993 American Eagle dollar worth? How much is a us 2000 penny worth? What was Sherman's destructive path from Atlanta to Savannah called? Did Joseph Kosuth make one and three chairs in the US? What did Lewis mean when he predicted that in 10 to 12 years a tour across the continent would be viewed with as little concern as a voyage across the Atlantic? Why does the orange represent Florida? How Jose Rizal became your hero? If a builder has built a house for a man and his work is not strong and if the house he has built falls in and kills the householder that builder shall be slain? The anti federalists were greatly concerned that the proposal constitution increased the powers of the central governed and lacked a bill of rights why would these specific issues have been important? 'Although the Constitution abolished slavery more than a century ago slavery still exists in the world today'? What was the first permanent settlement in America? What year is the US nickel with the handshake on it? Why were the first ten amendments made? Why did Abraham Lincoln initially only ask for soldiers to serve for ninety days in the Civil War? In what ways were the experiences of Northrup and the slaves he knew similar to and different from that of the Hemming family? What were the inventions through 1790-1860? How is the Native American tribe's method of helping corn to grow similar to the Zande's method How is it different?