It is the states praiseworthy step to stop smoking in public place", why?

Explanation:

because it cause cancer

It is praiseworthy because when others smoke and we inhale. Although we are not smoking but even the smoke of cigarette can cause problem. Indirect smoking is also injurious to health and in public places there are people of many age groups and it is not good for them to do indirect smoking.

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.

responsibilities im assuming