What’s common between the transatlantic slave trade and fir trade

The Atlantic slave trade or transatlantic slave trade, also called slave trade, occurred throughout the Atlantic Ocean between the 16th and 19th centuries.

Founded in the 1960s, Fairtrade certification represents an initiative that brings together social responsibility, sustainability and competitiveness for small and medium producers.

Fairtrade Labeling Organizations (FLO) is a non-profit trading company based on social responsibility and whose purpose is to ensure fairness in international trade.

could you show the options for the answers? : )

answer; continous;