The kansas-nebraska act required abandoning what earlier decision concerning slavery in the western territories?

Which factor has played the most important role in changing the way history is studied over time?

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.

Space is not completely empty. there are small particles in space. what happens when these particles come together?