It had a very positive impact because the 1920's was when many new technologies were introduced, one example being the the assembly line, which made many industries more productive and profitable.
Hope that helps!
The<u> Iron Age</u> was a pre-historic stage in which iron was widely used to make tools and weapons.
<h3>What was the metal used for in the Iron Age?</h3>
Iron was an excellent tool for making tools, tools, and utensils because it could be hammered and did not need to be carved. Hammering the iron was called as 'smithing'.
The Iron Age helped many countries to become more technologically advanced.
During the Iron Age, people throughout Europe, Asia, and parts of Africa began to make tools and weapons in iron and steel.
Thus, the correct option is Option a. Iron age.
To learn more about Iron age, refer:
brainly.com/question/13754469
Your answer is C: <span>They developed a time system based on 60 minutes.</span>
The answer is: A - requires Congress and the States to work together.
B) is the answer.
The Maya outshone in the areas of hieroglyph writing, calendar-making, mathematics, agriculture, etc.
