. —President Harry S. Truman, Executive Order 9981,July 26, 1948 Which of the following contributed to President Truman’s decision to issue this order? *

The major factor that contributed to President Truman's decision to issue the order was the outcome of the 1945 survey conducted on 250 white officers and sergeants who had black platoon assigned to them, it was discovered that there was no basis for racial segregation and discrimination in the U.S military because both the white and black soldier were performing excellently.

Explanation:

Executive Order 9981 of July 26, 1948, was the order that was issued by President Harry. S. Truman of the United States of America which abolished segregation in the U.S armed force. Prior to the issuance of this order, service in the U.S armed force was characterized by a high rate of discrimination and segregation on the basis of race, color, religion and national. The Blacks in the U.S military operated under a rule which was radically different from that which governed the Whites in the U.S armed force. For instance, while the Blacks had to wait for 4 years before the could commence combat training, the Whites commenced combat training within months of their qualification. Also, the blacks were not allowed to enjoy certain privileges that were open to the Whites in the U.S armed force. The advent of the order brought an end to racial segregation and discrimination in the U.S military. The order promoted equality in the force.

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.