It is B, many of the caudillos governed with iron fist for instance Francisco Solano Lopez in Paraguay. Democracy took long to be achieved and places like Cuba and Venezuela are not democracies nowadays, although they enjoyed democractic periods in their existence.
Number 1: Who, what, where, when, and why!
Number 2: Is this a primary evidence or a secondary evidence?
What war are they referring to?
Because that's how a civilization starts and strives. They make permanent or semi-permanent houses near bodies of water in order to grow crops, wash clothing, and they also probably started making homes with the mud.
Hopefully I explained it well :]