"Serfs were the most abused group in Middle Ages Europe. Their work held together the entire system of Feudalism together, but they were overworked and taken advantage of economically and socially all throughout Europe. This caused the serfs life of hardship." Which piece of evidence best supports the reasoning?

not sure might be he acquired the entire oregon territory from great britain

i guess so you did not explain the answer clearly so i can't

most people such as me i dont have one but if   i did i would mostly likely quit my job if the economy was down cylcling that means less money if you go to a bigger job that is prospering you can earn more wage and still be able to feed yourself or why you work all people want more money then they have guarteed most people like me would switch jobs for a better one with higher wage

a.) it weakened the power of the catholic church in europe.