Was it by any chance K-9?
<span>The ping-pong diplomacy was
significant because it demonstrated that China was open to better relations
with the United States. This allowed for talks on serious issues on how the two
countries could relate. For instance, the vast Chinese markets presented an
economic opportunity for the U.S.
economy which was struggling. It was therefore important that the two countries
relate better </span>
I would consider that statement false.
<em>Although bartering could be considered a more common action, in time trading with money started to be also accepted</em>. So thinking that money was harder to use in commerce than bartering would not be entirely true, depending on the time we're talking about, of course.
Hope it helps!