Help me with this question please I’m having troubles with it

What does this quotation from the introduction of thedeclaration of independence do?

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?

According to this map, which of these statements about cuban economic activity is true? a) coffee is not a valuable commodity in cuba. b) cattle ranching is found only in the western half of cuba. c) tobacco is grown in most areas of the country. d) manufacturing is limited to mostly the southern coast.