They didn't have the resistance built up to germs that Europeans carried with them so they started massively dying due to this and they needed a huge workforce. That's why they started getting slaves from Africa who could work and get resources for manufacturing.
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Helen and Tom have received permission to take Ruth<span> and their other friends to </span>Snow Camp<span> for the latter part of their winter break</span>
1- he found out his grandma was in the hospital so he visited her.
2- his grandma was in the hospital
3- his grandma encouraged him
4- first, because he tried his best.