Complex sentence: Marquis Alexandre de Prouville de Tracy seized all the Mohawk lands in the name of the king of France, and forced the Mohawks to accept the Roman Catholic faith and to adopt the French language as taught by the Jesuit missionaries.
Split into simpler sentences: Marquis Alexandre de Prouville de Tracy seized all the Mohawk lands in the name of the king of France. He forced the Mohawk to accept the Roman Catholic faith and to adopt the French language as taught by the Jesuit missionaries.