What is the Author's Main idea In the Article written by Smith, S. P. (2017), Effective training methods? What is the direct and positive impact on knowledge retention?

i have no idea i’m sorrry i thought i knew

Explanation:

the incorrect statement about jews is: d. jews began migrating to germany after the end of world war i. jews migrated throughout the world across many centuries, and that was also the case with germany, the migration began before the end of world war i, but there was an emigration wave before the start of the world war ii.

the answer should be a)directions.