What made farming and mining difficult in brazil ?

Explanation:

SAO PAULO — Brazilian President Jair Bolsonaro, under international pressure to curb the fires now spiking across the Amazon, is trying to crack down on the farmers and loggers who clear land by burning the rainforest.

But he’s up against long-standing traditions, practices, laws — and some of his own rhetoric.

Farmers in Brazil use fire to clear land. A decades-old law encourages them to invade the Amazon. And Bolsonaro, backed by Brazil’s powerful agricultural lobby, campaigned on promises to open the rainforest to more farming, logging and mining — and against what he called “an industry of fines” at Ibama, the environmental protection agency.

“I won’t allow Ibama to go around issuing fines left and right,” the climate-change skeptic said shortly after his election last year. “The party is going to end.”

for this case we have the following equation:

we apply distributive property to the terms within parentheses.

subtracting 2 on both sides of the equation:

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.