3. In the early 1900s President Theodore Roosevelt involved the United States in the building of the Panama Canal. Which of the following benefits was accomplished with this construction?
A Political alliances with European governments were created.
B Reduced shipping time for world trade and the U. S. navy could move more quickly.
C Colonies in West Africa were acquired.
D European colonies in Latin America were granted immediate independence.

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.