I believe the program you are speaking of is the Works Progress Administration (WPA)
They use scientific methods such as radiocarbon dating
They make an assumption. They compare it to other historical sources
Answer:
The government of Turkey and America is very similar. Both countries are republics with a parliamentary democracy, consisting of 3 branches of government: executive, legislative, and judicial. Both countries' age requirement to vote is 18. However, Turkish citizens have limited freedom of speech. It is a crime to insult the nation and the president. In America, however, citizens can say almost whatever they want, as long as it is not slander or a threat.
The Quartering Act (1765)
The Stamp Act (1765)
The Townshend Acts (1767)
Boston Massacre (1770)
Hope this helps! :)