Answer: build in redundancy
Explanation:
When presenting an informative speach there´re four strategies suitable to enhance audience recall of information:
1. Making essential ideas short and easy.
2. Pacing the information flow.
3. Building in redundancy, and
4. Reinforce key ideas.
Building in redundancy refers to repeating important terms and ideas numerous times, only developing it differently each time. Repeating and redefining the main parts of an informative speech allows reinforcing the main points in the audience´s mind.
He was a Prussian chancellor.
