The heads are part of Olmec civilization of ancient Mesoamerica. The common reason why they made this because of their religious belief.
<u>Explanation:</u>
The Olmecs are famously known for the statues they carved: 20 ton stone heads, quarried and carved to commemorate their rulers. They are the first known civilization in America and the first to have this unique kind of construction.
Like most of the early Mesoamerican cultures, Olmec also believed in three tiers of existence: the physical realm they inhabited, an underworld and a sky realm, home of most of the gods.
Chileans celebrate their independence on the 18th of September. Their road to independence from Spain started on that date in 1810. Although they would have to fight for eight more years to earn their total freedom, Chile celebrates the 18th of 1810 with great fanfare.
The answer is to use credit when you need to not when you want to.