The Calhoun doctrine shows that Calhoun wanted states to have the right to nullify national laws
First of all, the Spanish (along with the rest of the large European countries at the time) had guns and other military technology. With the advantage of having gunpowder, the Spanish were able to relatively easily conquer the indigenous peoples in the Americas. Another point is the Spanish military training; the American civilizations had no military training that matched the strict codes of the European countries, so the precision of the Spanish helped them conquer.
The main Axis powers were Germany, Japan and Italy. The Axis leaders were Adolf Hitler (Germany), Benito Mussolini (Italy), and Emperor Hirohito (Japan).
I believe, "Tanks were a fast and reliable means of transporting soldiers" is NOT true.
