Genres. Medieval music was both sacred and secular. During the earlier medieval period, the liturgical genre, predominantly Gregorian chant, was monophonic. Polyphonic genres began to develop during the high medieval era, becoming prevalent by the later thirteenth and early fourteenth century
The conflict between environmental groups and concerned citizens on the one hand and the promoters of fossil fuel unbridled use on the other which is not resolved and having national governments that just are spokesmen for the big multinational oil corporations and don't listen to their citizens is part of the problem. Also, major cities are implementing green policies in a big way which is bringing them into contradiction with federal governments which are dragging their feet on measures to protect the environment and cut greenhouse gases.
They wrote a new constitution.
The appropriate response is the Silk Road. It was an antiquated system of exchange courses that were for quite a long time key to social communication initially through areas of Eurasia interfacing the East and West and extending from the Korean landmass.
Despite the fact that silk was surely the significant exchange thing sent out from China, numerous different products were exchanged, and also religions, syncretic methods of insight, and different innovations.