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.
To invade Afghanistan and topple the Taliban government" was the United States' first response among the following choices given in the question to the <span>terrorist attacks of September 11, 2001. The correct option among all the options that are given in the question is the second option or option "b".</span>
Many people believed that the Church needed to be reformed. In the 1500s Kings such as Charles V had a sole political strategy: centralisation. However, there were people who do not agree with this. So, the reformation led to warfare because of different ideas by the ruler and his people.
They experienced long periods of peace. They experimented with republican forms of government. They saw the overthrow of their kings during these years. They all had absolute rulers who built strong, central governments.
