B. measuring is the answer because you need to know how to measure
I would say the compass because it helped them navigate, it also made traveling and exploring faster.
The object that is the central component of a geographic information system is: C. Computer
A geographic information system is the device that is used to track and monitor the positions of objects on the globe.
This makes use of location services and other important hardware and software data to make accurate analysis.
The most important component of a GIS is the data which it collects, and the major means of collecting this data is through the use of computers.
Some of the components of the geographic information system is:
- Hardware
- Software
- People
- User segment
- Data, etc
Therefore, the correct answer is option C
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B. They brought needed supplies into the state.
You don't even give answer choices, you have to do that for someone to help you