Terraform apply: ec2 instance example (aws instance module)

https://github.com/terraform-aws-modules/terraform-aws-ec2-instance/tree/master/examples/basic

terraform apply
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│ Error: Missing required argument
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│ The argument "region" is required, but was not set.
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See also

• terraform [untaint | fmt | apply |show | state | init | plan | console | output | validate | destroy | debug | import | providers | get | graph | workspaces | resource | login | -var-file | state mv | state pull | state push | state replace-provider | state rm | force-unlock | env | tfe | --version | remote-exec | delete on termination | deprecated commands | terraform --help]