Question:
Our work also has shown that the international

Does it follow that "Our work does not strive to show that the international..."?
Answer:
no

Question:
yeah i built three houses in my life and

Does it follow that "I have built houses and decks and porches and sheds."?
Answer:
it is not possible to tell

Question:
However, Greece was not yet a country; each city-state was self-governing and autonomous.

Does it follow that "The city-states of Greece were autonomous."?
Answer:
yes

Question:
There is no need.

Does it follow that "That isn't necessary. "?
Answer:
yes