Under the antiboycott law, U$.$S$.$ companies are forbidden to participate in any unauthorized foreign boycott. Which of the following situations brought about the antiboycott law in the U$.$S$.?$

The boycott of Israel by the Arab League

The boycott of Cuba by the U$.$S$.$

The boycott of South Africa by the world community

The boycott of the U$.$S$.$ by the U$.$S$.$S$.$R$.($the wheat embargo$)$

The boycott of China by the United States