False. The empire ended with the overthrow of the last Czar and establishment of the [first] Russian Republic in 1917. It was the Republic which was changed to the USSR
Yes, what that person said before me !
Resident Johnson's Great Society sought to address many issues in society in the US, but one of the most important was the issue of poverty and inequality in social mobility.
This is a tricky question. All starting peoples had to hunt and gather food. However, this question asks for a civilization. A generalization answer would be foraging cultures, such as the <span>Dobe Ju'hoansi group in Africa or pastoral societies. </span>