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.

the caste system in india is the paradigmatic ethnographic example of caste. it has origins in ancient india, and was transformed by various ruling elites in medieval, early-modern, and modern india, especially the mughal empire and the british raj.it is today the basis of educational and job reservations in india.it consists of two different concepts, varna and jati, which may be regarded as different levels of analysis of this system.

the caste system as it exists today is thought to be the result of developments during the collapse of the mughal era and the british colonial regime in india. the collapse of the mughal era saw the rise of powerful men who associated themselves with kings, priests and ascetics, affirming the regal and martial form of the caste ideal, and it also reshaped many apparently casteless social groups into differentiated caste communities.the british raj furthered this development, making rigid caste organisation a central mechanism of administration

i didn’t fully understand your question but i hope this you !

the scientific revolution brought us a renewed understanding of humanity and our place in the universe, new scientific equipment, and new laws as a basis for future scientific discovery.