Create an account
An instrument that measures the positions of the stars and planets to help navigators determine direction and latitude.
First person to realize the new worlds was not in Asia, America was named after him.
Pedro Alveres Cabral
The first Portuguese explorer to reach the western hemisphere (Brazil-blown off course)
Capital of the Aztec Empire, located on an island in Lake Texcoco. Its population was about 150,000 on the eve of Spanish conquest. Mexico City was constructed on its ruins. (p. 305)
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together