A partir do século XI, a Europa feudal passou por mudanças significativas , algumas das quais merecem atenção especial o desenvolvimento de algumas inovações técnicas, como o uso da charrua; a adoção do
sistema trienal e a utilização do cavalo na agricultura. Explique cada uma dessas inovações
técnicas.

c is the correct answer for this question.

d) eastern business owners and former federalists

this is my opinon on puritians

puritans we all know as were a relgion to purify the cahtlic church some of there practices were good and they did ways some relgions couldnbt but some ways wern't that good like trying to turn people into their relgion which did spark alot of mass hate to them overall there netrual and did have a semi good cause.