What action by Thomas Jefferson did he say was "an act beyond the Constitution"?
the U. S. expedition by Lewis and Clark
the U. S. purchase of land from a foreign government
the exploration of lands claimed by Native Americans
the expansion of the United States to the Pacific

The Proclamation of 1763 was a law imposed by the British government on the ... In January 1776, the first great American bestseller was Thomas Paine's Common Sense. ... To obtain land, ordinary settlers had to buy it from the speculators. ... that would later alarm people in southern states who wanted to expand slavery

Explanation:

in his book, the riddle of the rosetta stone, james giblin talks about how there was a young british polymath and physician named thomas young who made a lot of advances on the deciphering of the rosetta stone. he says that even though young made a lot of mistakes because he was working under false assumptions, he also made huge contributions like deciphering three out of the seven symbols (more than anyone else before him). young published his findings and continued his good work but he wasn't able to progress much further due to some unfavorable situations, he still laid the basis for many other scholars and of course for the man who has been generally known to have deciphered it, jean-françois champollion