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Trajectory

path; route; course

Integral

Necessary to complete something; essential

Supervise

to direct or manage activities

Spawned

release or deposit of eggs (of a fish, frog, etc.)

Metallurgy

the science of working with metals

Citadels

area dominated by a specific group

Coercive

using force or threats to make someone do something

Despotic

acting like a ruler who has total power and who often uses that power in cruel and unfair ways

Indigenous

Native to a certain area

Sumpweed

Early domesticated plant in North Americ

Teff

an African cereal that is cultivated almost exclusively in Ethiopia, used mainly to make flour.

Obelisks

tapering, four-sided shafts of stone, usually monolithic (made of only one stone) and having a pyramidal apex.

Reservoirs

a large natural or artificial lake used as a source of water supply

Teotihuacan

First planned city in America; America's greatest city

Frieze

A continuous band of painted or sculptured decoration

Cavorting

jump or dance around excitedly

Fratricidal

relating to or denoting conflict within a single family or organization

Microclimates

the climate of a very small or restricted area, especially when this differed from the climate of the surrounding area

Substantial

of considerable size, importance or worth

Foothold

a position useable as a base for further advance

Metropolis

the capital or chief city of a country or region

Sparsely

scattered

Transoceanic

crossing or extending across the ocean

Spawned

To generate

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