HELP ASAP Religion and culture influences can help explain local and international Interactions and/or conflicts. Consider what you know about the spread of Islam, the development (and decline of) East and West African civilizations, and the development of Eastern Asia (China, Japan, Korea, etc.). How does that apply to these cases?

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Explanation:

Trade contributed to the spread of Islamic culture and led to a growing feeling of internationalism. ... How did these changes contribute to the spread of Islam? ... Muslims and Christians in Western Europe, with the inquisition, the Crusades. ... for many conversions in sub-Saharan Africa and in South and Southeast Asia.

from the conditions of the working class in england by friedrich engels,the main idea is :

demand is the need and oportunity to buy a given good or service.