If you are planning to apply for employment with a particular company it is indeed important to research the company's background. The reason why you should be aware of a company's background before you apply is because it's going to effect you and you're professional techniques as you might have the expertise the company would need. If you research the background of a company and it matches you're ability of skills you will be more likely to apply to that company as it will be more beneficial to you and what you have to offer. That is why it is important to be aware of what you are applying for and be further more prepared.
To elaborate could mean to explain
Answer:
Terrell's suggestion would be a dismal failure as would a balloon made out of lead.
Explanation:
What the statement means is that Terrell's suggestion to hold Sergeant Sheila Estrada’s welcome-home celebration at a bowling alley would be a complete failure and disaster.
When something is said to have go like a lead balloon, it means that it would be a complete failure or disaster just like a balloon made out of lead which is a heavy metal, the balloon would not be able to fly.