It enabled important (and sometimes secret) information/news to travel quickly.
Answer:
"Gold and silver from her massive American empire fueled Spanish dreams to wrest control of Italy and the Netherlands from France, and to spread Catholicism all across the world. And yet, 300 years later, the Treaty of Paris ended the Spanish-American War, and with it, the Spanish colonial empire died."
Explanation:
Your answers are A, C, and D :) I just got this test done and these were the correct answers :) Just incase anyone says its false I have the screenshots lol :P