The sumerians were adept at and developing effective systems a. roads, communication c. bridges, aqueducts b. canals, irrigation d. pyramids, canals

c

explanation:

"globalization has greatly impacted the united states and american citizens. first and foremost, globalization has spread american influence throughout the world. globalization has opened up more markets for the united states, which in effect american companies sell their products worldwide. there has been a rise of multinational corporations and their influence has greatly increased."

the correct answer is a

the answer i chose to believe is 'harmony'