Answer:
The Columbian Exchange: goods introduced by Europe, produced in New World. As Europeans traversed the Atlantic, they brought with them plants, animals, and diseases that changed lives and landscapes on both sides of the ocean.
Explanation:
Answer: the Americans and the Soviet Union want to get to the moon first.
At the year 630 when 30K muslims marched to mecca.
Answer: Thales is said to have `discovered' Ursa Minor, studied electricity, developed geometry, contributed to the practical application of mathematics later developed by Euclid, developed a crude telescope, `discovered' the seasons and set the solstice,
Explanation: