They used accurate observations in their work.
Answer:
Ulysses S. Grant. ...
George Mcclellan. General George Mcclellan led the Army of the Potomac during the early years of the civil war and also ran for President against Abraham Lincoln. ...
Robert Anderson. ...
Nathaniel Banks. ...
General William Tecumseh Sherman. ...
George Custer. ...
Winfield Scott Hancock. ...
Abner Doubleday
Explanation:
Ulysses S. Grant. ...
George Mcclellan. General George Mcclellan led the Army of the Potomac during the early years of the civil war and also ran for President against Abraham Lincoln. ...
Robert Anderson. ...
Nathaniel Banks. ...
General William Tecumseh Sherman. ...
George Custer. ...
Winfield Scott Hancock. ...
Abner Doubleday
If the Spaniards did not infect the Aztecs with small pox, the aztec population wouldn't have declined so quickly and their would have been more outer breeding.
