A draft of a presentation... a. is a way to organize your notes.
b. is an early version of your presentation.
c. is a general plan for your presentation.
d. is the next step after research.

Option B

Explanation:

A draft of a presentation is an early version of your presentation.

A draft is a preparatory version of a document (of something written). When writing or presenting any presentation, it is important to use the draft as an outline first this helps to focus on the message and point without going out of context which will help to ensure that the presentation is as effective as possible because writing a presentation can be a stressful process; draft is helpful to provide a brief overview of the presentation. The draft might be made before, during, or after researching which comes together to produce an emerging transition into the main focus on the work.

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.

answer: in 1900, there were no "workplace safety laws"!

explanation: at the beginning of this century, workers in the united states faced remarkably high health and safety risks on the job.

a century ago in 1900 about three hundred out of every one hundred thousand miners were killed on the job each year.

[industria] developments occurred within a legal and regulatory climate that diminished employer’s interest in safety. as a result, americans developed production methods that were both highly productive and often very dangerous.