Explain the concept of prepositions of cause and provide examples.

Prepositions of cause are used to indicate the reason or cause behind an action or event. They help to establish a relationship between the cause and the effect. These prepositions are used to explain why something happened or why someone did something. Here are some examples of prepositions of cause:

1. Because of: This preposition is used to show the reason behind an action. It is followed by a noun or a noun phrase. For example, "She couldn't attend the party because of her illness."

2. Due to: This preposition is used to indicate the cause of something. It is followed by a noun or a noun phrase. For example, "The flight was delayed due to bad weather."

3. Owing to: This preposition is similar to "due to" and is used to explain the cause of an event. It is followed by a noun or a noun phrase. For example, "The match was canceled owing to heavy rain."

4. Thanks to: This preposition is used to express gratitude for the cause of something positive. It is followed by a noun or a noun phrase. For example, "Thanks to her hard work, we won the competition."

5. On account of: This preposition is used to indicate the reason for something. It is followed by a noun or a noun phrase. For example, "The meeting was rescheduled on account of the CEO's absence."

6. For the sake of: This preposition is used to explain the reason for doing something, often for the benefit or interest of someone or something. It is followed by a noun or a noun phrase. For example, "He quit his job for the sake of his mental health."

These prepositions of cause help to provide clarity and context to the reasons behind actions or events. They are essential in understanding the cause and effect relationship in sentences.