Answer:
Early humans survived because they created tools to fight and hunt for food. Also the creation of fire helped keep them warm and dry. Light helped scare predators and animals away.
Answer:
Physical exercise
Explanation:
Gross motor skills are skills that involve using large muscles in the torso, arms, and legs to complete physical tasks. Physical exercise would help a child develop gross motor skills and build up their muscles.
In the past past, during Great Depression no one liked them because they had a whole bunch of rights and things that the poor/ lower class didn’t. Also in 1800s the upper class was the kings and rich men of the world, no one liked them because they were greedy and didn’t care for others but themselves
Protect the US against threats
The significance was that these allowed goods to be transported much faster than by horse. Canals allowed for things to be imported and exported much more easily.