Final answer:
The Trial of Strafford did indeed begin in March 1641, marking a notable instance of political conflict in English history leading up to the Civil War.
Step-by-step explanation:
The statement that the Trial of Strafford began in March 1641 is true. Thomas Wentworth, the Earl of Strafford and a senior advisor to King Charles I of England, was put on trial by the English Parliament for high treason. The trial began in March 1641, amidst the political turmoil leading up to the English Civil War. The trial marked a significant moment of conflict between the monarchy and Parliament, setting a precedent for parliamentary authority over royal prerogatives.