DescriptionInternational trade is the exchange of capital, goods, and services across international borders or territories because there is a need or want of goods or services. In most countries, such trade represents a significant share of gross domestic product. Wikipedia
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The two closest terms are C. acculturation and assimilation.
Both terms refer to the process in which two cultures meet and interact and "borrow" some aspects of the other culture - the difference is that assimilation produces more similar culture.
In contrast appropriation is a one-way process: only one culture takes on the characteristics of another culture.