Which recent political trend had occurred in the Andean and mid latitude countries

The main curve of the Tallara Arc described by the trend of the trench from north ... Slab flattening may have occurred transitionally from 10 to 5 Ma shutting ... dynamics and likely occurred during the recent episode of slab flattening. ... the countries' respective strengths and to a major extent on national political processes.

Explanation:

the american revolution was by the middle and upper class, and the french was by the lower and middle class.