Cuba's government experienced a period of economic hardship which is known as the Special Period. This is due to the reason that, before the fall of the Soviet Union, the Cuban government became so dependent on Soviet markets and military aid. Their economy was so dependent to the other which when the Soviet Union collapsed their economy as well collapsed.
Millions of protesters gathered in 102 American cities in 2006 to protest proposed regulations that would limit "immigration". Many supporters of immigration raised the concern at the protests that The US would lose lots of its "brain" resources if these acts were enabled. <span />
Providing Guides and limits to the government's power.
Re-read the question. Hope I helped :)
By the addition of spanish territories
