Using the map, which river is also an important political feature and why? A. The Rio Grande, because it acts as a natural border, separating Texas from Mexico. B. The Guadalupe River because the area along the river became the largest missionary center in Texas C. The Rio grande because it contains more riverfront communities than any other region in Texas D. The Guadalupe River, because the Texas Declaration of Independence was signed in a building facing the river

A. The Rio Grande, because it acts as a natural border, separating Texas from Mexico.

Explanation:

The Rio Grande is an important river which acts as a natural border separating Texas from Mexico. Rio Grande started in south-central Colorado in the United States and flows to the Gulf of Mexico. Due to this river, Mexico is located at one side while Texas is present on the other side of the river. This river helps in separating two regions naturally so we can conclude that Rio Grande act as natural border.

donald carl johanson (born june 28, 1943) is an american paleoanthropologist. he is known for discovering – with yves coppens and maurice taieb – the fossil of a female hominin australopithecine known as "lucy" in the afar triangle region of hadar, ethiopia.

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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

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