Research and understand I have a dream on the steps of Lincoln memorial in Washington DC august 28th 1963 social studies

How did the government of ancient athens differ from that of the early romans? (5 point) in athens, citizens voted for representatives who voted on issues, while in rome, citizens voted directly on issues. in athens, citizens voted directly on issues, while in rome, citizens voted for representatives who voted on issues. in athens, the government was ruled by a small group of powerful people, while in rome, the government was ruled by kings. in athens, the government was ruled by kings, while in rome, the government was ruled by a small group of powerful people.

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?

Prices for products became more affordable as a result of new forms of ,witch got things to market faster and cheaper