What is the central idea of the passage?

A
The Brazilian government needs to add more soldiers to the states that border Venezuela.
B
The Venezuelan government is blaming the Brazilian government for not protecting its own citizens.
C
Tensions between Venezuelan immigrants and Brazilian residents increase as more immigrants cross the border.
D
Tensions among Brazilian residents and the Venezuelan government increase as immigrants begin violent protests.

the central idea of the passage is tensions among Brazilian residents and the Venezuelan government increase as immigrants begin violent protests.

Explanation:

the problems which occured from an "economic war" on Venezuela and "falling oil prices", wee the  international sanctions, and the country's business elite". The Protests made against the legitimacy of the Nicolás Maduro's presidency started during his second inauguration followed by a controversial presidential election in 2018.  Venezuela's economy began to experience hyperinflation during the first year of presidency of Nicolás Maduro.The possible causes of the hyperinflation includes heavy money-printing and deficit spending.Venezuela was known as the world's 4th wealthiest nation per capita. the protests were made to demand the entry of humanitarian aid into Venezuela, including hundreds of thousands of Venezuelans participating to show support for the Guaidó.