Answer:
migration; diffusion
Explanation:
With the migration of people from fertile areas, knowledge of agriculture spread by diffusion.
Answer:
In the last decade of the 19th century, African Americans suffered segregation, exclusion, discrimination and racism. The Civil War assured the freedom of around 4 million black people. Despite the adoption of the 14th amendment and being given legal rights to elect and be elected, black people faced huge social and political inequality.
In the South, state legislatures had passed a series of laws that impeded African Americans from participating in elections. Poll taxes and literacy tests were put in place and turned into formidable barriers for the black southern populations given their poverty and lack of education. Those were the Jim Crow laws.
In 1896, a landmark US Supreme Court decision upheld segregated but equal faciliities for different racial groups as constitutional, validating the Jim Crow laws. That was the situation of African Americans by the late 19th century.
Explanation:
English ships sailed into New Amsterdam and occupied the land, demanding the area from the Netherlands. Soon after the Second Anglo-Dutch war followed. At the treaty of Breda, it was decided that England would get to keep New Amsterdam which was renamed into New York while the Dutch would get sugar plantations in Suriname.

<u>The four answer are:-</u>
- providing humanitarian aid
- issuing the Universal Declaration of Human Rights
- trying individuals for genocide
- providing peacekeepers to Africa and the Middle East