One of the positive impacts the Columbian Exchange had on the world, was the massive exchange of crops. With the new crops brought into the Old World, the population increased due to the fact that the new crops were easy to store, grew fast, could withstand droughts well, gave a very high yield in calories. (at least 100 words needed)

It has become an important food in Europe, Egypt, India, China, and other countries. Cattle were brought to Mexico in 1521. They became an important source of food and can pull and lift heavy loads. Horses allowed hunters to travel great distances and increased the area over which natives could search for food.

Explanation:

the answer is a wheel

glass wants to live in a world of super heroes and villains. he have lived all his life trying to be responsible for the creating the origin story of a super hero; he schemed and caused many incidents (many of them fatal) hoping that someday someone with superpowers would show up and save the day.

he knew himself very much. he saw himself as a villain of a real-life super hero story. he was aware of his strengths (more than smart enough for being manipulative and scheming) and weaknesses (having fragile bones and having to rely on his mind to succeed).