Answer:The introduction of new crops and the decimation of the native population in the New World led to the capture and enslavement of many African people.
Explanation:
The success of the Roman army was based around the facts that it had excellent organization, great leadership, good training, good equipment, and that is was only consisted of professionals.
The Roman army had only professional soldiers in it. Not everyone was able to become soldiers, as certain physical criteria had to be fulfilled. The ones that became soldiers had training everyday. Tactical training, one to one combat, formation combat etc.
That led to the Roman army to be very successful in its military campaigns, especially because very often it was coming upon poorly organized armies, where most of the soldiers were either part-time soldiers, or just ordinary villagers.
The Indus Valley and Ganges Plain saw the southward and eastward migration of people that formed the D'mt kingdom.
The Indus Valley Civilization (IVC), also referred to as the Harappan Civilization or the Indus Civilization and referred to as the Ancient Indus[3], was a Bronze Age civilization that flourished in the northwest regions of South Asia from 3300 BCE to 1300 BCE and from 2600 BCE to 1900 BCE in its mature form.
It was one of three early civilisations of the Near East and South Asia, along with ancient Egypt and Mesopotamia, and was the most widespread of the three. Its locations were spread out over a vast area, from western and northwestern India to northeastern Afghanistan and much of Pakistan.
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B. a series of rulers chosen by the people of a country
