Ineed a hypothesis on what is an earthquake

An economic system where all or most businesses are owned by government

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.

Why are the majority of the world's economies mixed? what may happen to the "pure" types of economies (traditional, socialist/command, market capitalist) when they incorporate elements from other economic models?