The reason is very simple - profit.
The rabbits were not worth much to the Europeans, but were to the Aztecs, but the cocoa beans for the Europeans were like gold. They were a very attractive exotic product from which unique and unseen things were made. In the European market the cocoa beans had enormous price, and the demand for it was very high especially from the aristocracy which loved it and didn't speared money for it.
"<span>D. Travel became difficult and dangerous as lawlessness increased and roads fell into disrepair" is the best option from the list, although this wasn't universally true. </span>
Jacques Cartier was sent by King Francis I to the New World in search of riches and a new route to Asia in 1534. His exploration of the St. Lawrence River allowed France to lay claim to lands that would become Canada.
Your answer would be France.
