Globalization creates greater what?
O
A. Interconnections among the people and economies of the world
a
B. Incentives to use protective tariffs, subsidies, and quotas
C. Opportunities for monopolies and oligopolies to form
D. Production and labor costs for producers in developing countries

A. Interconnections among the people and economies of the world

Explanation:

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its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.

i believe it would influence their own way of understanding things. it shall be a foundation where they can draw or start an argument.   historians are also  scientists that  have their tools of analysis and expertise to unlock a variety of difficulties such as relationships of man, origin, politics, economy, and culture. based on facts and understanding on these areas, they may shade light to extract ideas and develop options to validate a hypothesis or debunk it.