I believe its the oil crisis of 1973.
B, the Incas- google Machu Picchu and you'll see precisely fitted blocks of stones in their buildings and structures
Hi just for the points lol
In an egalitarian family, all members of the family share responsibility for the livelihood and well-being of the family unit. This is different than families in which only a single parent has responsibility.
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Australopithecines first appeared on Earth
