What was the main concern for portuguese explorers in brazil?

The main reason was the following:

In 1312 the Pope Clement V ordered the extinction of the Order of Templars and condemned them.

Portugal didn’t burn or condemned Templars - King Dinis I of Portugal allowed them to stay with other name, maintaining them the same knights, the same internal rules and the same religious rites as also all of its wealth. Surviving templars came to ingress in the new Order from all Europe - The Order of Christ.

a. They enriched the soil and helped farmers grow food surpluses.

Explanation:

Since ancient times, civilizations have been able to choose the location of their settlements, either because of the weather conditions, because of the ecosystem of the place or simply because of the convenience offered, and in this sense, both the Tigris River and the Euphrates River have certain characteristics. what makes them stand out.

When you have very close bodies of water, it is easier to establish yourself, since you have a permanent source to harvest and, therefore, a means by which societies can subsist. It is no coincidence that one of the first sedentary civilizations was among this system of rivers and although many things have changed over the years, it remains important today.