Select the phrase/connector from the given three options which can be used to form a single sentence from the two sentences given below, implying the same meaning as expressed in the statement sentences. Pick out the option which when used to start a sentence combines both the above sentences in one.
A. Japan was dependent on occupied Manchuria and colonized Korea for its soybean supply.
B. After the war, the U.S. required that Japan reconfigure its trade ties towards itself and its bloc, away from China and Korea as the Cold War progressed.
I. Before the end of the war
II. On the eve of war
III. The annexation of

Options

A. Both I and II
B. Both II and III
C. Both I and III
D. Only I