some new weapons that were used were the machine gun, the tank, the flamethrower, and the Airplane was now used for battle
Some are
The only nuclear weapons ever used in war were the US's MK-1 Uranium gun bomb and MK-3 Plutonium implosion bomb.
No nuclear weapons were used in the korean war
Nuclear weapons, Biological Weapons, Chemical Weapons.
darius used some of persian's great wealth to build roads across the empire
Iran.
Imperial
The language spoken in the Persian empires was Old Persian. It was the administrative language of the Achaemenid Empire and the Persian language used in official inscriptions and documents. Later, under the Sassanian Empire, Middle Persian became the dominant language.
they used iron
Satraps.
The language of the Mughal Empire, and therefore of the Mughal Court was Persian and Chagatai initially. Later Urdu was also used.
The Mughal empire used many weapons. Their main infantry were equipped with a matchlock musket and a dagger or khatar (thrusting dagger). Most Mughal warriors had a Talwar, a Persian piji0n0i[p ladopted many weapons from the Hindu inhabitants, including the khatar and bhuj axe. Later on, they also commisionned European weapons made in an Indian style, though these were mostly for display.
Bows and Arrows, Spears, Shields, and Swords
First the Assyrian, then copied by the Babylonian, then the Persian.
Iran, Iraq, Turkey, Syria, Isreal, Jordan, Lebanon and many other countries control land that used to be the Persian Empire.
After - Athens converted the anti-Persian Delian League which it led against the Persian Empire into an empire of their own, and used the proceeds on itself, bankrolling its Golden Age.