Because the world has limited resources what do people how to make Demands
Choices
Scarcity
Opportunity costs

Choices

Explanation:

Due to limited resources in a our wold, people have to make do with choices because it is nearly impossible to have all what we want.

The two main problems in economics revolves round:

Limited resources

Unlimited wants

The cost of choosing one item over another and forgoing it is called the opportunity cost.

Choices are often made by drawing up a scale of preference from which the most pressing needs can first be attended to.

If there are enough resources, there wouldn't be a need to make choices when demanding for certain goods and services.

they died because of a disease during the first spanish colonies.