Column Corporation has a subsidiary operating exclusively in Country A and a subsidiary operating exclusively in Country

Question:

Column has a subsidiary operating exclusively in Country A and a subsidiary operating exclusively in Country Z.
a. Both subsidiaries were incorporated under Delaware law and are therefore U.S. corporations. Can Column use the losses from the Country A subsidiary to reduce the income from the Country Z subsidiary?
b. Would your answer change if both subsidiaries are foreign corporations?
Corporation
A Corporation is a legal form of business that is separate from its owner. In other words, a corporation is a business or organization formed by a group of people, and its right and liabilities separate from those of the individuals involved. It may...