Answer:
As the cold war was between the U.S. and Russia, this ties into the Space Race because both countries were trying to see who could get to space first, it ended up being Russia with their Sputnik, but the U.S. got to the moon first in 1969.
Explanation:
The British weaknesses is a subject studied by historians.
But how was it possible if the Britain's military was the best in the world. Theirs soldiers were well equipped, well disciplined, well paid and well and well feed.
However it was a situation which they had to confront. It does refer the British fought a war far from home. Military orders, troops and supplies sometimes took months to reach their destinations. It means that the British had an extremely difficult objective.
In summary, the geographic vastness of the colonies proved a hindrance to the british effort. Despite occupying every mayor city, the British remained as at a disadvantage.
D, is the final answer... others are simply not plausible