Analyzing the verses of the song presented, associated with knowledge about the Northeast and Brazilian history, it is possible to affirm as true o...

Analyzing the verses of the song presented, associated with knowledge about the Northeast and Brazilian history, it is possible to affirm as true or false:

Natural phenomena are the main causes of Northeastern migrations.
The movement highlighted in the verses corresponds to pendular migration.
The colonial past, the land structure, and government policy are among the factors responsible for the situation referred to in the verses.
The action of oligarchies in many areas of this region has contributed to a lower participation of the Northeast in the national productive process.
The economic stagnation of this region, in the early twentieth century, caused the emigration of Northeasterners to the Amazon and to the Southeast Region, where rubber extraction and coffee culture were developed, respectively.
Migration movements are common in Brazilian history since the Colonial Period, such as the demographic increase caused by migrations resulting from mineral exploration, which promoted the occupation and settlement of the territories of the São Francisco River Valley and the interior of Piauí and Maranhão.
c) III and IV are true.
d) I, III, IV, and VI are true.
e) All are true.