Rome was a republic and a monarchy
Greece was a democracy and oligarchy
Answer:
To protect the city from flooding, they proposed raising the level of the entire city by picking up most of the structures in the city and filling in beneath them with sand.
It was Called the frontier because some or most of the areas in America that where settled by ranchers hadn't been explored or discovered yet.
Answer:
he wanted to find a shorter route to Asia from Europe through the Arctic Ocean.
Explanation:
Henry Hudson made his first voyage west from England in 1607, when he was hired to find a shorter route to Asia from Europe through the Arctic Ocean. After twice being turned back by ice, Hudson embarked on a third voyage–this time on behalf of the Dutch East India