Answer:
The black thursday of the Wall Street Crash of 1929.
Explanation:
As the exercise presents, on October 24 of 1929, a record of 12.9 million shares of the stock were traded on a day that became better known as the black thursday. On that day's opening only, the market lost 11 percent of its value at the opening bell. This was the start of what we now know as the Wall Street Crash of 1929.
Hi. I am not quite sure about your question but in case you are referring to a true statement about the standards of weights and measures, I'll go ahead and answer this one for you.
One true statement about the standards of weights and measures is that sales of products or services were impacted especially in the United States.
They became a global economic power.
Well I believe that we wont be here right now if all this didn't happen back then.