This is a little open for interpretation, but I would generally say that the best answer is that Josip Broz Tito was a very powerful leader, who kept the republics and the different groups together.
For example, we can see this from the fact that the first conflict happened in 1981: one year after his death ( a protest of Kosovans who demanded autonomy).
The answer to this question since i cant just put the word because its to short is "pork barrel"
Overthrusts is the word that goes in that blank
The <span>political and social underpinnings leading up to the independence of Mexico and Central America reveal a common and ongoing struggle.</span>
Answer: crystal size and rock texture