Answer: C.Radio
Explanation:
Working alongside film was the most popular form of entertainment in the 1930s in America. The genres that were the most popular in that decade are comedy. This is because the country was in a significant economic crisis, and people were thus trying to divert their thoughts from the gloomy daily routine. As early as the early 1930s, over 40% of Americans owned radios, increasing that percentage year by year.
The USS Maine was sunk in the Harbour of Havana, Cuba, during a revolt of the cubans against Spain. Public opinion in the USA was that Spain was to blame. Starting as a diplomatic issue between Spain and USA, rapid escalation resulted in war between the two countries.
Because all colonies had to agree.