-Bantu Migrations: In about 1500 B.C.E., a group of Bantu language speakers discovered that they could domesticate yams and bananas. They used their new food to increase their population and then spread their knowledge to all of Africa. This would be the first event in a chain reaction.
Think about this, imagine fearing to go out into the streets because you might get attacked. Imagine the only purpose of your existence was to clean, make babies, and respect your husband. That was the life of Woman before the Woman's rights movement. As you can see we have came a long way from then but some people still think that way. Society felt as if Woman weren't as good as men. they thought that Woman couldn't do anything except care for their husband's.
Columbus managed to convince "The Enterprise of the Indies" to (put what he convinced them to do here), but not King John ll of Portugal. You can also switch the order for that sentence (Columbus wasn't able to convince King John ll of Portugal, but he was successful with "The Enterprise of the Indies"). (enter name here)'s wife Felipa dies (either enter cause of death or why it relates to the previous sentence here). Hope this helps