Answer: a. panahong ng bakal
Explanation:
During the Iron Age, humanity was able to expand greatly on the discoveries made during the stone and bronze ages by using iron to make tools.
These tools were stronger and more durable than the earlier ages and formed the basis of life for a long time as they were used to make everyday tools such as spoons to weapons of warfare such as arrows and swords.
I think it is B. religious persecution.
Answer:
The rise of communism in any country was a danger to it's neighbors.
Explanation:
Domino theory has been highly influential in US foreign policy. The war in Vietnam is a perfect example.
One of the main reasons why a historian would use a primary source when studying a historical event is because "<span>C. Primary sources are created by people who actually experienced the event", and they can also be things that happened to be "around" at a certain time. </span>
