The biggest problem was that they had to get supplies from the United States and since they had to go on ships over the Atlantic ocean, they were easy targets for submarines and other ships that would want to destroy them. This was a big problem since much of the cargo was destroyed before it even reached the coasts of Europe.
One of the major reason why the soviet union invaded Afghanistan is to promote Marxist Leninist revolutionary idea.
I had this part of history earlier this year and I think the answer is A. They searched for gold and in the time they were doing that they were risking being able to eat. But if you look later it might affect the life of their children which partial makes it point D.
d is the answer to the question
Francis Cabot Lowell attracted women workers to his factories by providing boarding houses where they could live safely, by providing cash wages, and religious and educational activities for the workers.