The Trade Disputes Act of 1929 provided for

The correct option is: a system of tribunals and a ban on strikes.

Explanation:

The Trade Disputes Act of 1929 was enacted during the British colonial period in India. Its primary purpose was to provide a mechanism for the settlement of industrial disputes and to restrict industrial actions such as strikes and lockouts.

Key features of the Trade Disputes Act of 1929 included:

1. System of Tribunals: It set up Courts of Inquiry and Boards of Conciliation to investigate and settle trade disputes.

2. Ban on Strikes: It rendered illegal any strikes or lockouts in public utility services (such as railways, post, telegraph, water, or light supply) unless a 14-day advance notice was given. Additionally, general strikes aimed at coercing the government or causing severe hardship to the community were made illegal.