Answer:
Most native-born Americans are unwilling to pick oranges because they view these jobs as demeaning, physically demanding, and better left for immigrants.
Explanation:
Most native-born Americans take to white-collar jobs instead of blue-collar jobs because the latter involves hard manual labor with low pay. They view these jobs as unfit for them, therefore illegal immigrants take up these jobs that do not require many formalities to survive.
Illegal immigrants who do these jobs are paid low wages. They might have to work overtime without being adequately compensated. They also risk being treated unfairly by their employers because they cannot make any legal claims.
Professional organizations that controlled how their industry operated and protected their members' interests against outsiders were called "special interest groups", since they look out for the interest of their members.
L-dopa is effective against Parkinson's, but its enantiomer D-dopa is not. An enantiomers drug may not be equally effective. The enantiomer, in chemistry, is one of two stereoisomers that are mirror images of each other that are non-superposable, much as one's left and right hands are the same except for being reversed along one axis. It is also known as an optical isomer.
The important result of the Union victory at Vicksburg was that the Union now controlled the Mississippi River. The correct option among all the options given in the question is option "A". This also helped the Union to cut off most of the Western States from the hands of the Confederate army. Also the Union had the control over the food supplies and this made the Confederate army surrender quickly.