Sociocultural evolution, sociocultural evolutionism or cultural evolution are ... The most comprehensive attempt to develop a general theory of social evolution centering on the
I think city state means a city that has other areas around it a forms a separate state. You can look up in a dictionary or on google I think and and put in your own words if you need to comfirm.
an important context clue in determining an appropriate definition for a particular word? is: a. the part of speech
The definition of a certain word would be different depending on where it located on the speech.
For example:
I saw him close the door. (1)
Timothy just close the deal. (2)
In sentence 1, the definition of the word 'close' refers to the act of shutting a barrier of entry. In sentence 2, the word refers to the act of finalizing a certain event or agreement.
The earliest introduction of zebra mussels in united states probably occurs in 1986.
At that time, commercial vessels from Europe went to north America as a place for freshwater ballast stowaway. They merchants then introduced zebra mussels to the market and it gained popularity ever since. They also introduced zebra mussels population in local lakes and let them reproduce there.