Simplify the following text for a Grade 20 native English-speaking person.
Original: Repnin also demanded religious freedom for the Protestant and Orthodox Christians ( those demands were the official `` cover '' for the pro-dependence `` reforms '' ) , and the resulting reaction among some of Poland 's intolerant Roman Catholic , as well as the deep resentment of Russian intervention in the Commonwealth 's domestic affairs , led to the War of the Confederation of Bar with Russia from 1768 to 1772 .
Simplified: Repnin also demanded religious freedom for the Protestant and Orthodox Christians , and the resulting reaction among some of Poland 's Roman Catholics , as well as the deep resentment of Russian intervention in the Commonwealth 's domestic affairs , led to the War of the Confederation of Bar from 1768 â `` 1772 , where the Poles tried to expel Russian forces from Commonwealth territory .