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The "technology" was in the form of the steel plowshare. This allowed them to plow and then plant crops in grasslands that had heavy matting of grass roots.
Horses, Dogs, Muskets and Sharper swords
irrigation, horse power, steel forging
History has more details on what, where, how, and why than this site can give.
One technology that made skyscrapers possible would be the elevator. The other, I suspect is structural steel.
They had a much better technology, steel armor, firearms, steel edged weapons and horses.
The Spanish had steel technology because they had a more developed metalworking industry and access to abundant iron resources. In contrast, the Inca civilization primarily used bronze and stone tools due to limited access to iron deposits and less advanced metalworking techniques.
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By conquering the Aztecs
1819
the atumic bomb
The Spanish-American War.
philipines
Bronze steel rock
tecnología
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Alaska was a US Territory long before the Spanish American War.