Spain felt that Portugal would dominate the world's trading routes and resources and it motivated them to compete with them and invest into their own campaigns, such as the one of Columbus.
Through agriculture using the Euphrates river
1492 is the year he set sailed
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.
Nikola Tesla was an inventor in the old days and he was also an engineer too.