Final answer:
If a Texas company proposes and/or makes an insurance contract by mail for an Oklahoma resident, that is considered interstate commerce.
Step-by-step explanation:
If a Texas company proposes and/or makes an insurance contract by mail for an Oklahoma resident, that is considered interstate commerce. Interstate commerce refers to the trade or exchange of goods, services, or information between different states. In this case, the insurance contract is being offered and conducted across state lines.