Why would a country with a one industry economy face possible issues when independent?

A country with one industry economy would  possibly face issues when independent because Then there wouldn't be a lot of manufactured goods, and products for them to export, not a lot of resources, and they won't be able to build up their economies properly,  and many people most likely wouldn't be able to get a job.Explanation:

hi there!

question - how does mountainous terrain affect settlements in a region? choose all answers that are correct.

groups trade with each other regularly.

people travel from settlement to settlement.

why: since they travel to go trade or visit it may be harder to get there because of the mountainous terrain.

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b.

developed countries have tended to improve the environment, while developing countries have tended to damage it.