The answer would be social.
During this era, human technology boomed. In this era, nomads have started farming. Nomads have stopped moving from one place to another. They have started forging metal tools. They also started pastoralism. They have communities and tribe. They were able to create a system on their own.
Exodus contain the laws and convenants
<span>B. ability to change dynamics.
The pianoforte (in English soft-loud) was called in this way due to its ability to play both soft and loud notes. </span><span>The </span>pianoforte<span> is an acoustic and stringed </span>musical instrument<span> invented </span><span>by </span>Bartolomeo Cristofori<span> in the XVIII century, although the exact year is still uncertain, in which the strings are struck by hammers.</span>