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> millions of Americans migrated west and into urban areas, and hundreds of thousands of African Americans moved to northern cities. ... Pragmatists notably </span>did<span> not just hope to garner government support for reform, but also sought to directly transform government through their influence (Filip, 2015).</span>
Answer:
Good choices:
A. communication
C electricity
D. transportation
Explanation:
Labor is not an industry.
Conquered people often times became prisoners or servants to the elite of the land they now belonged to.
