Answer:
d) vertical integration
Explanation:
This business practice is called a vertical integration. Vertical integration is when a company purchases and acquires other companies that work in the production process. The main reason of this practice is to strength their supply chain, reduce production costs, and manage all aspects of the product. By owning all of the process companies, they could make the best out of all of them and create plans to increase their productivity. It creates guarantees efficiency in the production side and prevents delays and slow downs in any production side.
To prevent overlooking important information
Gave them an insight on germany thus joining the war.
C
Forced removal of Native Americans from their reservations
As the Iberian Peninsula is surrounded almost entirely by water, the most likely way of invasion would be by sea/boat.