Dendrochronology is a method of dating based on the analysis of patterns of tree rings(also known as growth rings) hope this help!!! :)
The answer is black power and red power :)
Although there were many factors, the greatest was "<span>an increase in the number of factories and jobs". Industrialization had begun in the United States, opening up many more factory positions. </span>
B. is the answer you will want to put. While they did let African Americans fight in the war in a special unit, they would not allow that unit to be led by an African American. It was headed by a white man named Robert Gould Shaw.
