No theocracies are true democracies. no secular government are theocracies. Thus, some secular government are true democracies.
d. deductive invalid
Explanation:
The given statement is deductive as well as invalid.
Such a process of logic in which we use the logic of two or more statements to get a final logical conclusion is known as deductive logic.
In the given situation, we have concluded that some secular governments are true democracies on the basis of no theocracies are true democracies and no secular government are theocracies.
So although, it is deductive logic but it is invalid as well.
They used their new food to increase their population and then spread their knowledge to all of Africa. More food meant bigger populations, which led to cities.