Concurrent powers are powers that are shared by both the State and the federal government. These concurrent powers include regulating elections, taxing, borrowing money and establishing courts.
Answer:
After a protracted struggle for independence, New Spain became the sovereign nation of Mexico, with the signing of the Treaty of Córdoba.
An example of data that a historian would use is "pictorial data", since illustrations can provide unparalleled insight into the past--sometimes even more so than books.
