The creation of silk in china was extremely profitable, therefore... a) strengthening of economic ties between northern and southern china.
b) establishment of trade relations between china and the west (europe)
c) expansion of chinese agricultural production from coastal to inland regions.
d) development of daoist practices and perspectives in china.
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what the first or next guy says

b, public works good luck

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:

health and medicine because people are dying from not being healthy or not strong enough medicine