Under President Johnson’s leadership, Congress helped young children living in poverty by establishing the Head Start program. starting the space race. creating the Medicare program. increasing Social Security benefits.

Under President Johnson’s leadership, Congress helped young children living in poverty by establishing the Head Start program.

Explanation:

Head Start is the federal social and educational program aimed at equalizing the chances of children from the age of 3 to 5, as well as compensating deficits and preventing the accumulation of social and economical threats against them. The program was launched in 1965, during Lyndon Johnson's presidency.

Thus, this program focuses on creating education and health plans for these children, taking care to provide learning opportunities that would equate them with those children who could access quality education; at the same time that promoting health and nutrition programs to accompany these children in their development and growth.

i believe your answer is d)