Write the sentence that is the topic sentence of the paragraph a trip to the ocean can be a relaxing escape from the everyday pressures of life. a sailboat glistening on the horizon provides a mental escape to faraway places. the rhythm of the ocean beating against the sand is sedating music to a troubled mind. a slow, gentle breeze can relax your tensions. you should always be careful to avoid overexposure to the sun at the beach.

The topic sentence is:

A trip to the ocean can be a relaxing escape from the everyday pressures of life.

Usually, topic sentences are found in the beginning of the paragraph, as is the case for this example. A topic sentence captures the overall message of the paragraph. It is a summary of the main idea in the paragraph. 

the answer is slaves

douglas was a slave who turned into a statesman and he refused to celebrate the 4th of july until all slaves were emancipated or set free.

it means that the hockey puck was traveling very fast.