She wants to help his career.
The primary event that led to the demise of the British Empire was World War II, which depleted Britain's resources and left the United States with most of the power after the war ended.
The correct answer should be additionally.
The word additionally would provide the best transition between these two sentence. It is so because you have one idea in the first sentence, and then you want to show another idea very similar to the first one in the second sentence. Using additionally to convey that is the way to go.
The answer is D
Reason: Because It’s D
