A)To protect convoys of merchant ships
The correct answer that would best complete the given statement above would be "threatening to secede from the Union". <span>In the early 19th century, south Carolina protested what it believed to be a violation of its rights by </span>threatening to secede from the Union.
Allowed the parlament to approve all taxes
Answer:
The Mongol invasions and conquests took place during the 13th and 14th centuries, creating the vast Mongol Empire which by 1300 covered large parts of Eurasia. Historians regard the Mongol devastation as one of the deadliest episodes in history.
