The hunter and gather era is to the agricultural era as the Neolithic Era is to the Paleolithic Era
Neolithic Era is to the Ice Age Era
Paleolithic Era is to the Neolithic Era
Paleolithic Era is to the Ice Age Era

john locke studied medicine and he laid a lot of groundwork for the enlightenment he also contibutied to the development of liberalism

africa

explanation:

the answer is b just took the test

probally   a few days after there called