Answer:
During the 1960s both African Americans and Mexican Americans took part in national movements intended to bring down racial barriers. Black Texans held demonstrations within the state to protest the endurance of segregated conditions. They also instituted boycotts of racist merchants.
<span>Primary reinforcer are naturally and occurring and do not require an individual to learn any significant method or process in order to work.They are backed by an evolutionary basis.They occur since beginning of time and aid survival species.</span>
Answer:
D. automobiles
Explanation:
The T Model Ford was the first factory assembly system