Which events sparked World War I? Check all that apply.
The assassination of Archduke Franz Ferdinand angered Austria.
Serbia declared war on Austria, which caused Austria's allies to go to war.
Nationalism increased tensions in the Balkan peninsula.
Russia's mobilization plan called for an invasion of France through Belgium.
Alliances caused a chain of events that pulled each country into war.

The assassination of Archduke Franz Ferdinand.

Explanation:

The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. In June 1914, a Serbian-nationalist terrorist group called the Black Hand sent groups to assassinate the Archduke.

Nationalism increased tensions in the Balkan peninsula.

The assassination of Archduke Ferdinand angered Austria-Hungary.

Alliances caused a chain of events that pulled each county into war.

Explanation:

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.

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 !