As explained in your textbook, the two major functions of a speech conclusion are to

1. Signal the end of the speech

2. Reinforce the speaker's central idea.

Explanation:

The major functions of a speech conclusion are to;

A speech is formal address or discourse delivered to an audience. When effectively structure and delivered, it should move smoothly from one point to the next and then to the conclusion. The conclusion is important as it prepares the audience for the end of the speech and reinforces or restates the speaker's central idea or main argument.

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.