The Irish Potato famine stemmed from many people losing their farm land to rich landowners due to what major movement?

Sharecropping or Tenate farming

Explanation:

The movement or agricultural practice of "Sharecropping or Tenate Farming".

This was a very common agricultural movement during this period, in which the tenant farmers agreed with the rich landowners to farm on the land in exchange for a share of the crops they harvested. Otherwise, they lose the land back to the rich landowners.

Hence, in this case, the correct answer is " Sharecropping or Tenate Farming."

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

number 1 is a)