Dave and the other founders of warby parker can be best described as people who risk their time, effort, and money to start and operate a business.

Entrepreneurs.

Explanation:

Entrepreneurs, could be briefly described as in the exercise: people who risk their time, effort, and money to start and operate a business. Founders of any business or businesses, just like Warby's founders, could be described as entrepreneurs given that they took a financial risk, investing in the hopes of gaining profit. These are individuals who discover or bet on a given market and it's potential.

cannabis

explanation:

(assuming this is the us) google it. law states you can't have weed.

the correct answer is modern american cars are not available due to trade restrictions.

trade between cuba and the united states have serious restrictions. the u.s. imposed an economic embargo on cuba, that among other things means that modern american cars are not available due to trade restrictions.

in response to some governmental actions of the authorities from cuba, president john f. kennedy proclaimed an embargo on trade between both countries in february 1962. the trade embargo remains active until this day and was implemented directly by the departments of commerce and the department of treasury.

in president trump’s administration, there is a national security presidential memorandum that "strengthens the policy of the u. s.", affecting trade with cuba.