1. Members of the alliances
before World War I
promised to
a. support democracy.
b. establish trade networks.
c. defend each other if any
were attacked.
d. provide air support.

Review the statement. after the spanish-american war, the united states gained control of samoa, guam, and puerto rico. which options most accurately analyze how this expansion transformed the united states? (select all that apply.) a. it prevented the united states from developing its economic might. b. it allowed the united states to establish a military presence abroad. c. it established its presence on the world stage as an imperial power. d. it led to an increase in tension between the united states and canada.