TASK DEFINITION: In this task, you are given a sentence in the Japanese language and your task is to convert it into the English language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).
PROBLEM: シュガーは、以前、役割のどちらかを選択するように急き立てられていた。

SOLUTION: Sugar was previously being pushed to choose between the roles.

PROBLEM: 起こりうる総選挙への準備期間の間に、次のシリーズが始まることになっているという事実を、彼らは付け加えた。

SOLUTION: They added the fact that the next series is due to start during the build up to a possible General Election.

PROBLEM: 4か月前、合衆国とその同盟国も、海峡の開放維持に関連する、一連の演習と海上訓練を行った。

SOLUTION:
Four months ago, the United States with some of its allies also conducted a series of exercises and naval drills, concerned with keeping the strait open.