In the 15th and 16th centuries, Europeans wanted to find sea routes to the Far East. Columbus wanted to find a new route to India, China, Japan and the Spice Islands. If he could reach these lands, he would be able to bring back rich cargoes of silks and spices.
I think its informal because cool isn't a formal word
We D) sped to work, because we were running late.
I believe A is the answer.