The discovery of the Americas?
Other European powers started to colonize so England followed suit.<span />
It is mostly true and he was proven to be right in the years to come. Due to being afraid of mutually assured destruction, the cold war never even began with actual troops fighting because they were afraid of each other's strong military presence. Having a strong military means that others won't dare attack you, and you won't dare attack them if they have strong militaries.
In March 1638, Anne Hutchinson was banished from Massachusetts Bay Colony, the reason was that she had become a spiritual leader and challenged male authority. She preached to both men and women, meaning she opposed the authority of the religious leaders of the Bay Colony. They accused her for heresy, as she critized the puritans beliefs. The real reason was that she indirectly questioned the stablished roles, as men were the only ones that could preach, therefore more women could rebel. Saying she had a direct rebelation from god and that she was able to interpret the scriptures was the final things that made it possible to them to excommunicate her.