Which of the following is true of warlike tribes?
a. men were treated as second-class citizens until they fought in battle
b. tribe members would only fight if they needed to protect themselves.
c. warriors wanted to make combat periods last for as long as possible
d. tribal leaders had no say in whether the tribe would engage in war.

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.