Answer:
Goals of the separatists in establishing the colony in New England was though economic stability but more than that it was spiritual. The goal of the New England settlers was more of spiritual than political or economical.
They were fed up of the church system of spirituality. They wanted to establish their own beliefs of god. Hence, the goal of the separatists was spiritual and they wanted to change the church's practice.
by providing arms and ammunition to Native Americans.
First Answer:
The socialism never found support among the people in United States due to small power of the workers Union. Also, companies have more political and financial power over their demands.
Second answer:
There could be more support for the homeless and poor people in big cities. Health care and some childhood protection against poverty might be another benefits from it.
Third answer:
The negative aspects we could imagine as the political power of unions increased among the workers. They would start attempting a coup across the country in order to start a social-communist regime. Another problem could be the increase in corruption, based on the good faith of the poor, that is, they could "buy votes" among the poor by threatening them with benefits' cut if the worker does not support them or does not vote for them.