Tariff makes the most sense. Embargo is a ban on goods or a country, subsidy is money granted from the government to a business and has nothing to do with trade, quota is a limited amount of a product and again doesn't really have anything to do with trade.
The correct answer is E. It involves making decisions based on distilled experience. Something that is 'intuitive' is not rational, nor it comes from our conscious thought. It is not a complete emotion neither, it is more of a feeling that we have based on something that we saw or did, that belongs to the past experience. It is not necessarily slow, as it just emerges out of our subconsciousness.
A. proposal by Congress; ratification by state legislatures