Snow ,rock avalanches and frigid weather
Public health and environmental problems were bad for the people of rome
It was known as the Manhattan Project
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
The election make it different because by this time they only want it money and money is earn by the person who knows how to make it I think it was teddy roosevelt