What tactical error resulted in the US troops' inability to successfully invade Canada?
The US troops decided to launch a three-pronged attack instead of combining strengths.
The statement can be taken either way because it is still a topic in which a definite conclusion hasn't been made. It is suggested that the coach of the losing team or whole of the losing team were sacrificed to the Aztec Gods, but this is disputed by lots of historians because in the Aztec society it was an honor to be sacrificed, so it might have been that the winning coach or the whole team were sacrificed instead. Considering the importance of the game on a political and religious levels, it is hard to tell which way did the sacrifices were taking place, and even if they occurred at all.
False is the right answer
Stampedes occur mainly because people feel panic. It can be real or imaginary. For example people who are in a place feel an explosion and they start to run. To understand crush dynamics it is good to investigate the psychology of masses and the effect that this has on human behavior.
"<span>a. Slavery began in ancient times and has existed around the world in different forms" is the only true option from the list, since it was around in biblical times but in a very different form that is thought of now.</span>