Questions 3-5 relate to legitimate trade. What were the principal commodities of legitimate trade used in Europe to make soap and lubricants before petroleum products were developed, and where did mos

Step 1: Answer Question 3.
The Legitimate trade was used to replace the Slave trade.
The correct option is (a).

$$\boxed{\text{(a) Slave trade}}$$

Step 2: Answer Question 4.
The principal commodities of legitimate trade that were used in Europe to make soap and lubricants before petroleum products were developed were palm oil and palm kernel.
The correct option is (a).

$$\boxed{\text{(a) palm oil and palm kernel}}$$

Step 3: Answer Question 5.
Initially, most palm oil (and later kernels) came from Igbo land.
The correct option is (c).

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