Someone smart please help me with these two questions

Look at the map of cities in the united states at the turn of the twentish century what impact did railroads have on cities across the united states at the turn of the twentish century

How did government policies contribute to the beginning of the industrial revolution in great britain? o a. the british government passed laws that prevented any businesses outside the country from learning about manufacturing innovations. b. the british government established factories that produced industrial goods at low prices. c. the british government broke up joint stock companies to promote competition. d. the british government paid a large percentage of the wages earned by industrial workers.

The code talkers work contributed mostly to