Answer:
Explanation: is there any multiple choice??
The slave trade was a practice whcih played a major rolein the colonial economy. It started when the African slaves were brought to the caribbean mainly to work in plantations, or in places were labor was needed, due to diseases and the mortality rate. At the beginning, the colonies did not really required large numbers of slaves.
The first colony receiving slaves was Virginia, which in 1619 received the first ones. This cipher grew up exponentially during thefollowing years,and it is estimated that by 1770,the numberof slaves was over 185.000 in Virginia alone, which makes it the Colony with the highest number.
Wires and wooden logs.
Both of these materials were essential for building a strong fortified line during the First World War. Having both of these meant that much more people on one side would survive as it was extremely hard to cross either of the two materials.