He successfully repelled an invasion by rival claimant Herald Hardrada of norway
Answer:
The practice of consolidation is the correct answer. This is when many small companies are merged into one big company.
Explanation:
The Department of Homeland Security is a Cabinet position that was created in 2002, out of response to the terrorist attacks of September 11, 2001.
It boosted the economy drastically and the wealth skyrocketed. It was made possible to transport goods all across the United States which reduced the prices and made goods readily available fore everyone which opened new markets and also made companies stronger. With stronger companies they paid more taxes so the government also experienced prosperity.