Strikes and lockouts Labor courts 2 Labor disputes 2 Law and legislation 2 Mediation and conciliation, Industrial 2 Coal miners 1 Coal mines and mining 1 Coal mining 1 Economic conditions 1 Family relationships 1 History 1 Land reform-Strike 1 Land tenure-Strike 1 Mass media and business 1 Social aspects 1 Social conditions 1 Strikes and lockouts-Drinking water 1 Strikes and lockouts-Ethnic peoples 1 Syndicalism 1 Working class families 1