The answer is true let me know if you need an in depth.
Such groups include hunter-gatherers, pastoral nomads (owning livestock), and tinkers or trader nomads. In the twentieth century, population of nomadic pastoral tribes slowly decreased, reaching to an estimated 30–40 million nomads in the world as of 1995.
For the answer to the question above, it is murals in cave temples. Some will say it's the Sanskrit language, but it is not true. Because India in Gupta period <span>are renowned for </span>mural<span> paintings by master painters of ancient India.
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The idea that O'Sullivan describes in this quotation is A) manifest destiny. Manifest Destiny was an idea that O'Sullivan was responsible for popularizing in the 1800s. This political theory or ideology sought for the United States to expand its borders to the Pacific Coast based upon a god given right to expansion which he called Manifest Destiny.