The best format for presentations includes short, active sentences gentle, unassuming language. commonly used slang long, but readable, sentences.

In a presentation you want to use a language that your audience can easily understand. You want to make sure people feel welcome to the subject you're speaking about, so you have to use gentle language since they might not know as much as you do, and you want them to become interested.

Unassuming language will help you make sure concepts are clarified, that way if your audience don't know an specific concept, they still will understand the overall subject of the presentation with your explanation.

Therefore, correct answer is A.

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.

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.