Some conservative groups have organized to campaign both for crackdowns on illegal immigration and for limits on legal immigration, because they are concerned about how the united states will be changed by nonwhite immigrants. this means that they are against:

They are against: the assimilation of European ethnic groups into larger society

Reference: https://quizlet.com/30172599/the-real-world-chapter-8-race-ethnic-relations-flash-cards/

Ifound the exercise on the internet. attached is the list mentioned above.in order for a compound to be considered optically active it can't have any axis or plan of symmetry. the molecule  shouldn't also  be superimposable on its mirror image.with such considerations, the compounds that are optically active are: -third compound on the first image is optically active; -second and third compound from the second image are optically actives.