Steel: 4. provided a tough, efficient building material for industrial purposes
Eli Whitney: 2. developed system of interchangeable parts; increased population
Assembly Line: 3. made putting together of goods piece by piece; increased production greatly
Steam Power: 1. enabled building of factory away from rivers; powered machines
Holy Fairs: The Kumbh Mela (the "pitcher festival") is one of the holiest of Hindu pilgrimages that is held four times every twelve years; the location is rotated among the four cities of Prayagraj, Haridwar, Nashik, and Ujjain. Shravani Mela of Deoghar and Pitrapaksha Mela of Gaya are also notable holy fairs.
Answer: 1: direct democracy
2: dictatorship
4: Articles of Confederation
7: federal government
5: In the Middle Ages, European monarchs claimed the rule by "divine right". It strengthened the monarch's authority to rule.
9: Great Britain is an example of a monarch, containing a prime minister, as well as other ministers
11: Your teacher would be an executor if he or she ruled without the will of the people in mind.
Explanation: I used google to find the answers. However, i was unable to find them all.
This is because iron is more reactive than copper in the metal reactivity series.