The correct answer is B. its rejection of the monarchy was controversial for the time.
Thomas Paine's "Common Sense," published in 1776, was considered radical primarily because it openly challenged the concept of monarchy and the rule of kings, arguing for independence from British rule and the establishment of a republican government. This was a significant departure from the prevailing norms and loyalties to the monarchy at the time, making it a controversial and influential work in the push for American independence.