4. The success of the EU was based MOSTLY on which of these?
O defeating communism
O eliminating trade barriers
O exploring new production methods
O controlling members' governments

true

explanation:

you will need these

an outline of all three paragraphsan identification of the historical era that you are writing aboutan explanation of the term mass productiona description of two ways new technology affected industrya conclusion that shows how new technologies allowed industrialization to grow

the answer is c. to explore the louisiana purchase