How have americas demographics changed over the past 40 years? PLEASE helppp

Which of the following statements describes the effect of increased internet usage on reporting

What was the overall impact of eli whitneys introduction of interchangeable parts?

Which of the following best describes the outcome of the bay of pigs invasion? -it ended in a draw despite strong air support from the united states. -it was a partial success that to resolve the cuban missile crisis. -it was a success and created hostility between cuba and the soviet union. -it was a failure that was an embarrassment for the kennedy administration.