It's a piece of writing usually a paragraph in length or longer usually at the end of exams. In other words it's an essay.
Like in the PSSA you have a piece of writing & that's the open ended response not sentence.
Open-ended sentences are statements or questions that do not have a specific end or limit, allowing for more detailed responses and encouraging conversation to continue. They prompt the listener to provide a more elaborate answer rather than a simple yes or no. These sentences are commonly used in interviews, surveys, and conversations to encourage thoughtful responses.
You can use "so" to join two sentences by placing it at the beginning of the second sentence, followed by a comma. For example: "I was tired, so I went to bed early." This helps to show the cause-and-effect relationship between the two sentences.
She completed her assignment yesterday. They went to the store earlier this morning. He finished reading the book last night. The game ended before I arrived.
Sentences that end in a period are called declarative sentences. These sentences make a statement or express an opinion.
Sentences that end in periods are called declarative sentences. These are statements that convey information or make a statement.
Sentences that are questions are called interrogative sentences. These sentences are typically used to ask for information, seek clarification, or prompt a response.
Peace ended.
Sentences that are written using stress or accent are called exclamatory sentences. They usually are ended with an exclamation point.
When Japan opened some if its ports to foreign trade their long history of isolation ended. So basically, their isolation (or Japanese isolationism) is what ended.
The kid jumped for joy when he opened his present.
If she had opened up her feelings to someone, she would not have ended up this depressed.
Ending a sentence with a preposition is generally accepted in informal communication, but it is best to avoid it in formal writing. In cases where the sentence structure would sound awkward or overly formal if avoiding ending with a preposition, it is acceptable to do so.
Examples of simple sentences include:I like beets.She dances beautifully.He sat down.I love you.She opened the door.
isolation
isolation
When Dave opened his present, he didn't expect a solid gold donut. He was speechless.
no <><><> It was. Look at your question closely. It ends in the word was. As do two of the sentences in this answer.
Glasnost and perestroika