Security and law enforcement agencies are monitoring a nationwide strike over “anger regarding prevailing economic crises”.The Congress of South African Trade Unions (Cosatu) embarked on marches in all nine provinces on Monday. Among the grievances are crime and corruption, high interest rates, high joblessness, poverty and inequality.“Chief among our grievances is the unemployment rate. As it stands, 11.3-million people need jobs. This includes people who have given up looking for work but that does not mean they don’t need jobs.” the union said.The National Joint…