Answer:
Correct answer is constructing the Panama Canal
.
Explanation:
First and last options are not correct as Roosevelt became president in 1901, while the revolution in Cuba and defeat of Spain ended by 1898.
Second is correct as during his presidency the construction of Canal started in 1904.
Third option is not correct as it hasn't spread that much during his presidency.
The answer should be B) Bronze age or the second option.
The Inca culture was one of the most developed in pre-Columbian America. Among their achievements, was their architectural ability. Inca structures were made of stone that fit together, with extraordinary stability. The buildings have survived for centuries, with no use of mortar, in areas that are prone to earthquakes and volcanic activity.
The Inca also developed calendars based on astronomical observations. Astronomers understood equinoxes, solstices and zenith passages. Numerical information, particularly for administration, was stored in <em>quipu</em> strings.
In terms of art, Inca ceramics were highly advanced, although most of their silver and gold work was melted down by the Spaniards.
They were also advanced in medicine, performing skull surgeries successfully and with high survival rates.
Answer: Cities provided better opportunities.
Explanation: There were more jobs, leading to more opportunities to live a better life.
