Why is the battle of yorktown in 1781 important?

Look at the map of cities in the united states at the turn of the twentish century what impact did railroads have on cities across the united states at the turn of the twentish century

Based on the map, which statement best describes the neighborhood of washington heights? (2 points) washington heights is a gated community. people of many ethnicities live in washington heights. restrictive covenants prevent most people from living in washington heights. dominicans have gentrified washington heights. washington heights is a dominican enclave.

How did political revolutions in the atlantic ocean basin affect or alter the institution of slavery and the lives of slaves