The answer should be A: to outlaw monopolies.
<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>
