How did the command economy affect Soviet workers? List one positive effect and one negative effect​

norsemen from northern countries had made earlier journeys

i believe your answer is d)

the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.

this is a good question! i'll do some research and come back when i have the answer!