Why was colonel billy mitchell court-martialed and thrown out of the u. s. army?

He was court-martialed on the charges of insubordination and insisted that the Navy should build aircraft carriers rather than battleships.  He believed that these new vessels would be vital when war would occur.  In a way he was proven correct in World War II when aircraft carriers were instrumental in many victories at sea.

the hollywood film industry of 1950 was threatened on several different fronts. television broadcasting was rapidly becoming the dominant entertainment medium in the united states. the paramount anti-trust consent decree requiring separate ownership for production companies and theater chains had gone into effect on 1 january 1950. large numbers of young men and women were marrying, having children, and moving to the suburbs, which affected the viability of downtown first-run movie theaters. foreign revenues were endangered by protectionist tactics including quota systems, high taxes, and blocked funds. finally, the morality and patriotism of hollywood films and filmmakers were under attack from government, religious, and citizens' groups.

explanation:

demand is the need and oportunity to buy a given good or service.