What is the awan threat to temperate grasslands?

What is one reason the united states had a two party system

Government powers not provided to the national government in the us constitution but are rather given to the states by the 10th amendment is called?

Which of the following is the main reason early new england had villages rather than cities? 1. the area did not have ports for trade. 2. not many people lived in new england at the time. 3. new england did not have the natural resources to support cities. 4. the settlers set up new england with villages for religious reasons.