Try to write the following sentences more clearly by changing

Try to write the following sentences more clearly by changing nominalizations back to verbs and adjectives and by, whenever possible, putting people in the subject position.
1. There has been speculation by educators as to the role of a good family environment in the improvement of educational achievement.
2. Attempts by economists at defining full employment have generally been met with failure.
3. Complaints by editorial writers about voter apathy generally don't offer suggestions about dispelling it.
4. The loss of market share to Japan by domestic auto makers resulted in
the disappearance of hundreds of thousands of jobs.
5. There is a need for an analysis of library use to provide a reliable base for the projection of needed resources.
6. Many colleges have come to an understanding that continued tuition increases are no longer possible because of strong resistance from parents to the soaring costs of higher education.
7. Lincoln's hope was for the peaceful preservation of the Union, but
the South's attack on Fort Sumter мейд war an inevitability.
8. Attempts at explanations for increases in voter participation in this year's elections were offered by several candidates.
9. An agreement by the class on the reading list was based on the assumption that there would be tests on only certain selections.
10. An understanding as to the need for controls over drinking on campus was recognized by fraternities.
11. A revision of the programme will result in increases in our efficiency in
the servicing of clients.
12. There was an affirmative decision for programme expansion.