Presidents harding and coolidge favored policies that
discouraged a laissez-faire approach to the economy
brought about social reform
encouraged activism
aided the growth of business

Aided the growth of business is the correct answer.

Explanation:

President Harding 23rd  president in 1920. Return to Normalcy after world war. He Favored pro-business polices and discouraged the immigration.He died in 1923 and was succeeded by VP Calvin Coolidge. Harding believed that while making foreign policy decisions they shouldn't try to please America only and for promoting  the American Industries the tariff were raised to 40 percent  and after first world war the revenue act of 1921 was passed to bring the economy to normalcy. His foreign policy mostly was isolationist. , It limited the international involvement of US, tried to keep US at peace and tried to make international agreements based on laws and not on military force. He also signed peace treaty with Germany in 1921. The immigration act of 1924 was also passed during his tenure as president. The act established quota for immigrants at two percent of that nations resident living in the US as reported by the 1890 census. It was meant to restrict Asians and South Eastern Europeans

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers