in the mid-1980s an aggressive strain of algae known as caulerpa was accidentally introduced into the mediterranean sea when a seaside aquarium cleaned out its tanks. the algae contains a toxin that prevents native herbivores from consuming it. caulerpa quickly spread over the sea floor, crowding out many species including sponges, corals, sea fans, and lobsters. which statement explains the most likely impact caulerpa has had on the biodiversity in the mediterranean sea?

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.