Islam's history on the African continent is rich, more than a millenium of expansion, scholarship, conquest, empire and theological development. ... The historial impact of Islam upon trade, particularly in West Africa, greatly increased the wealth of African people and helped form many great African empires.
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They got to Oklahoma by land on their horses and wagons.
Granting titles of nobility is denied to both national and state government. Providing for and supervise schools, establish post offices, and impose duties on imports and exports are proposals or projects that both the national and state government can approve and implement.
Answer:
Convenience sampling
Explanation:
In convenience sampling, the samples for the research is drawn from the population that is very easily accessible by the researchers rather than using a specific criteria.
From the description above we can see that the internet site use only its members as the samples. Since the data of the site's members is easily accessible for the site, we can consider it as convenience sampling.
The 13th Amendment abolished slavery in 1865. To protect the rights of newly freed people, Congress enacted two additional Constitutional amendments