The area of space around a black hole that separates the inside and outside of the black hole, from which even light cannot escape, is called a(n)

event horizon

Explanation:

In the event horizon of the black hole, the force of gravity is so intense that nothing, not even light, can escape. Through an experiment conducted by Harvard, the existence of that "no return" zone around the black hole was verified. The event horizon delimits the boundary between the objects that will be saved from entering and the objects that will end up inside the black hole product of gravitational forces.

answer; by working independently, the states have a high likelihood of developing innovative solutions that can be employed in other states;

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.