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.

a)scientists

explanation:

the national defense education act had two main goals. the first one was to provide personal that was oriented to defense, including scholars, engineering students and so on. the other goal was to provide financial assistance for the students who would be enrolling at colleges and universities in the 1960s.

explanation:

xbxnxbdndndn

during the hitler era and it caused them to declare war on germany