How did railroad companies encourage immigration?

How did the boston massacre contribute to the writing of the declaration of independence? a. many colonists began to see the british government as a source of protection. b. many colonists began to see the british government as a supporter of free speech. c. many colonists began to oppose the british government's building of forts on the frontier. d. many colonists began to fear the british government's harsh actions toward the colonies.

What championed nationalism and denounced nullification

How important was the erie canal in in connect, unify and expand the nation