Between 1895 and 1898 Cuba and the Philippine Islands revolted against Spain. The Cubans gained independence, but the Filipinos did not. In both instances the intervention of the United States was the culminating event.
I believe they used the same materials and same patterns and designs. They combined their ways of building as well.
Answer: d) The "space race" was a Cold War competition by scientist.
Explanation: D is the best option because it puts "space race" as the subject of the sentence.
The subject is the main focus of the sentence.
Option A does this as well, but the sentence is very wordy and does not do enough to draw attention to "the space race".
Option B keeps the scientists as the subject of the sentence.
Option C makes the "space race" part of a prepositional phrase which can be eliminated.
Hence, Option D is the correct answer.