Answer:
I believe it's two, gunpowder and crossbow
Explanation:
The soonest realized crossbows were designed in the main thousand years BC, not later than the seventh century BC in old China, not later than the fourth century BC in Greece (as the gastraphetes).
Gunpowder was developed in China at some point during the main thousand years AD. The most punctual conceivable reference to gunpowder showed up in 142 AD during the Eastern Han administration when the chemist Wei Boyang, otherwise called the "father of speculative chemistry", expounded on a substance with black powder like properties.
<span>The "Yi Dynasty' was one of the longest lasting. They followed some Chinese factor is maintained their distinctive identity. Terrines developed their own ounce of it called "Hamgul." China and Japan created internal conflicts with Korea. Curry and then became isolated to limit European contact and keep from the outside.</span>
1. Rivers,Lakes,& Ponds. for Agriculture,
2. Settled in areas with many Animals to hunt.
3. Mountains, and Hills for defense against enemy tribes.
Whenever any form of government becomes destructive of these ends, it is the right of the people to alter or to abolish it, and to institute new government
