Why was the bronze age so important?

The use of bronze gave a massive boost to the spread of civilization outside its birthplace in Mesopotamia. ... As an alloy of tin and copper (originally, it also contained arsenic, apparently), bronze was made from metal ores which are not very common and which are found in widely scattered locations. read more

So a term like "the Bronze Age" became a very useful label that worked with Stone Age and Iron Age and others, to clearly mark out a stretch of time where humans were at some particular level of social, material, political, and cultural complexity that was reasonably constant over time, until the next "Age" transformed everything again, and a new "plateau" on our "progress" was reached. read more

The Bronze Age is important because of the advancements it provided for civilization. In warfare especially, the Bronze Age was when bronze (copper mixed with tin or arsenic) was used to make weapons and armor. This was also the period when horses were used in chariots, helping nations conquer others more easily. read more