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200

An open grassland area

What is a prairie?

200

Doing well or being successful

What is thriving?

200

More than what is needed

What is abundant?

200

Accepted practices of a social group

What is custom?

200

Place that someone is originally from

What is homeland?

300

Unwanted attack or raid

What is an invasion?

300

An argument, debate, or conflict

What is a dispute?

300
Very intelligent; wonderful or outstanding

What is brilliant?

300

Agreement between opposing sides

What is a treaty?

300

Flat area on top of a hill or mountain

What is a plateau?

400

Replace or take the place of something

What is supersede?

400

Gradually weaken or destroy

What is undermine?

400

Wealthy; having MUCH more than needed

What is prosperous?

400

Established customs and activities in a society

What is an institution?

400

To add extra support

What is reinforce?