Help plz peoples Railroad expansion had a big economic impact in East Texas because *

10 points

cattle trails did not serve that part of Texas

few people lived in that part of Texas

existing roads and rivers provided inadequate transportation

existing roads and rivers provided inadequate transportation

las carreteras y ríos existentes

proporcionaron un transporte inadecuado

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:

the name of the theory is landmass theory.