what is your question ??
I think u have missed some parts here in the question ..
i feel either c or d but d is probably wrong because they would have asked you that at the interview and c could be right because they need your social security for taxes so C
<span>Opening up to international trade would lead a country to increasing its production and specialization of goods. For example, if a country opens international trade and some factories are making a household appliance, the instructions would need to be in the trade countries languages as well as the native language. The number of household appliances made would need to be increased to meet the growing need.</span>