Choose the suitable words to complete the sentences.

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The two countries have a history of tense [Internet|internations|interactions|intercities] along their shared border.

He had to [intermediate|interact|interconnect|interrupt] **** his presentation due to a technical issue with the projector.

The [interscholastic|interstate|interdependence|interact] highway system allows for efficient travel between states.

The [international|interdependence|intermediate|interfere] community must work together to address global challenges.