D. He published a newspaper that spoke out against slavery.
Answer:
Preservation of land and resources is a good step.
Explanation:
The preservation of land and resources working for the common good because land and other natural resources are important for human life and survival. Preservation of land refers to protecting lands by not consuming or using the land for their benefits by the humans. If land and other resources are not preserved so disturbance occur in the environment that leads to disturbance in human's life on earth.
Because the "ICE AGE" wiped out a lot of the population out.!
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