I believe the answer is D. WWI was the first "total war," in which all of the people in all of the involved countries participated and were impacted.
Answer:
The Cold War (1947 to 1991)
Explanation:
Have a good day :)
(I still don't know why they called it the Cold War)
Since free trade allows the business market to reach overseas outside their own nations, many business man seek to sell and cooperate with the other nation's business cooperation in order to expand their market and gain more profit. This urged the economy to become global with the economic exchange across countries.
hope it helps!
It stands for United Kingdom