Answer:
The answer is letter A, the federal government became increasingly involved in education.
Step-by-step explanation:
It was during the 20th and the 21st century that education was considered significant in the country's national development. This resulted to the federal government's involvement in increasing the literacy rate of the nation. They ensured that efficient and practical outcomes would prosper. It was followed by the construction of many schools and the development of curicculum.
The government also included "vocational training" in order to improve the skills of the people. Several arrangements were done in order to have an effective school system.
Thus, this explains the answer, letter A.