It was the invention of the cotton gin.
Nationalism played a specific role in World War I when Archduke Ferdinand and his wife were assassinated by Princip, a member of a Serbian nationalist terrorist group fighting against Austria-Hungary's rule over Bosnia. Entangled alliances created two competing groups.
Answer:
Keep a portion of the money deposited available to account holders.
Explanation:
Enslaved people built the country's early infrastructure and produced lucrative commodities such as cotton and tobacco. After emancipation, African American labor was crucial in industry, agriculture, and service.