Sheila, a social worker, is going to deliver a speech at a seminar. she wants at least half her audience to be involved in charitable work after listening to her speech. this is an example of a(n)

Sheila is pushing to promote her audiuence to feel a certian way.  She wants at least half of them to be involved in charitable work after listening to her speech.  She is going into this speech with a very specific goal in mind.

B. it promoted the powers of the executive branch

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.