Insa believes that all americans are overweight and obsessed with possessions. this is an example of a

This is an example of a stereotype.

Explanation:

Stereotypes are prejudices in which certain characteristics, mostly negative, are linked to a specific group population, these stereotypes can lead to racist and discriminatory behaviors. There are stereotypes based on race, gender, sexual preference, etc.

Insa's stereotype is based on race, that has linked overweight and obsessed with possessions, with the american race. It is not based on facts but on common views and beliefs.

1- Rome defeated Carthage in three Punic Wars and gained mastery of the western Mediterranean.

2- Rome build an empire around the Mediterranean Sea