Complex sentence: As from 1975, sugar was exported and traded under the Sugar Protocol signed between the EU and the ACP where Mauritius had an annual quota of 507,000 tonnes of raw sugar at a guaranteed price.
Split into simpler sentences: As from 1975, sugar was exported and traded under the 1975 Sugar Protocol. Under the provisions of the Sugar Protocol, signed between the EU and the ACP sugar supplying countries, Mauritius had an annual quota of 507,000 tonnes of raw sugar at a guaranteed price.