One of the main nations envolved is the United States
D. Marco Polo
Explanation: All of the others where conquistadors from europe who were enlisted by royal families
The answer is also known as social interaction. A social
interaction is a discussion between two or more individuals and is a building
block of society. Social interaction can be studied between groups of two
(dyads), three (triads) or larger social groups. By interacting with one
another, people design rules, institutions and systems within which they seek
to live.
Answer:
B. breaches in the poorly-designed levees
Explanation:
In case of not considering hurricane Katrina a natural disaster, a series of human errors would be highlighted, such as the neglect of a fragile embankment constructed to prevent the overflow of a river.
The rest of the options are incorrect because they all describe natural hazards like strong winds, heavy rain and flooding produced by a sudden, powerful storm.