In the question below, two statements (

• I and (I
• I are given. These statements may be either independent causes or may be effects of independent causes or a common cause. One of these statements may be the effect of the other. Read both the statements and decide which of the following answer choices correctly depicts their relationship. I. Several major cities in the country have reported a sharp decline in air pollution levels over the past two months. II. The government had imposed strict restrictions on industrial activities and vehicular movement during this period.