Strategies once used to market exploitation films were adopted to sell big-budget films in the 1970's because many of the films themselves were modeled on genres such as the sci-fi film and the horror film that had formed the backbone of the exploitation market in the 1950's.
True / False.

True

Explanation:

In the 1970's, Strategies once used to market exploitation films were adopted to sell big-budget films because in the 1950's most of the film's were modeled on genres such as the science-fiction film and the horror film that had formed the backbone of the exploitation market.

In the 1960's, A censorship pressures lifted which causes the low budget aspect of the American motion picture industry to increasingly add sexual and violent scenes long associated with so-called exploitation films.

the answer is d. amendments.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.