Changes in literary styles, new techniques in art and photography, and talking pictures are all examples of what 1920s cultural trend? a.) realism b.) retro c.) renaissance d.) modernism

It is D - Modernism.

D.) Modernism

Explanation:

The artistic movement that erupted at the end of the second decade of the twentieth century was responsible for profound transformations in the most diverse artistic manifestations, including literature. The break with the past, experimentalism, and transgression of literary canons are some of its main features.

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.

i am 99% sure that the increase of goods was because of nafta nafta stands for the north american free trade agreement to lift tariffs