What has been the main obstacle to democratic reform in latin american nations? strong military regimes non-revolutionary, non-democratic traditions involvement in foreign wars rebellion among indigenous populations

An obstacle to democratic reform in Latin American Nations, among the years, has been:

1. Strong military regimes.

Many countries were under military dictatorships between 1950s  and 1980s, and a few like Cuba and Venzuela still are. Democracy then has been difficult to restore, plus several economic and political crisis due to goverment corruption.  

answer: this is because archeologists keep finding artefacts and ancient ruins dated more than 10000 to 15000 years, date around scientists said humans discovered language; which is at least mysterious as scientists always have said that is necessary to have a language to have architecture and some basic maths.

explanation: brainlest