Answer:
The scientific method.
Explanation: Hope this helps.
C. The increase in the use of coal as a source of heat and energy
Answer:
The war between the United States and Mexico ended.
Explanation:
The war between the United States and Mexico ended was a consequence of the Treaty of Guadalupe-Hidalgo.
Answer:
When Cortés and his soldiers saw them, they were filled with greed "and wanted to conquer that country had so much wealth. Much of the Spanish soldiers were very brave, but some feared the Indians because they were so numerous and the Spaniards were so few. Cortés thought those soldiers would like to return to Cuba.
Explanation: