- a durable incandescent material
- elimination of air from the bulb a better vacuum
- a filament material of high resistance
The Middle Colonies<span> had warm summers and cool winters and soil well-suited to growing crops. The mild </span>climate<span> combined with the fertile earth allowed small farms to flourish, and the </span>Middle Colonies<span> eventually became known as the Bread Basket.</span>
1) Location & Demographics Analysis :
Different neighborhoods tend to attract people that fall within similar demographic groups, which is how campaigns target who to hit with ads, campaign events, etc.
2) (Meaningful) Social Media Analysis :
Everyone today is looking at social media nowadays. politics try to grow awareness of people's business using ads.
3. Separating Good vs Bad Customers :
In politics, showing up to support the candidate when they're in town needs to translate to volunteering or donating for a campaign, or the candidates will lose steam quickly.
I believe the answer is: B.China's economy expanded as far as using iron tools were able to grow more food
The devlopment of iron tools allow chinese citizens to increase the production in their agricultural sectors. This strengthen their position in the trades with people from European nations. Over time, this expanded china's economy and increase the prosperity level among its people.
