Aresult of the "free zone " on the colombia-venezuela border there is
a. less activity on the border
b. a decrease in employment rates in both countries
c. intervention of customs authorities
d. foreign interest from countries like the united states

Both Venezuela and Colombia share history that starts with their independence led by Simón Bolívar. The relationship between these two countries includes cooperation and bilateral issues. These countries are interested in contributing as well as the internationalization and modernization of their economies. In this way, US has been interested in these countries. Because of dictatorship in Venezuela, in 2019 US has been interested in the option that involves military intervention in Venezuela.