This would be the introductory of your presentation.
<span>This is the Cognitive Learning. This learning process uses superior cognitive abilities to store the information in long-term memory. <span>When the correct cognitive processes are used, such as the analysis of the information, the information is stored correctly, on the contrary, when the cognitive processes cannot be used correctly, the learning problems are presented.</span></span>
Well what decade do you want to focus on? And what country/place are the immigrants going to? Are we talking immigration into the US for a single decade? Including slavery ? Would the people forced into the country still be considered immigrants