The answer is the first century
Answer:
The conquistadors who swept through the New World were armed with steel swords forged in the Spanish city of Toledo. Settler communities in North America and the Cape of Good Hope were able to capitalize on European-invented steel rails, steel locomotives and steel ships to transform their model European economies.
The answer to the question is B
Answer:
After the last expansion, gold was discovered at Sutter's' Mill, bringing many more Americans from the East, and benefitting them greatly, even bringing in people from outside America. This revolutionized America's economy. Manifest Destiny brought money, land, resources, and a strengthened economy to the Americans.
Explanation:
