Explain how immigration, industrialization, and urbanization all converged (came together) to make the United States a global power. Use specific examples and vocabulary Include a short intro, body paragraphs, and a concluding statement. Will mark you as Brainliest

How are the republican and democratic presidential candidates chosen? a. they are nominated by their state governments. b. each is nominated by his or her respective party. c. each is chosen by the governor of his or her home state. d. they are chosen by the house of representatives.