What sign indicated that the nation might be in economic trouble? overproduction of agricultural goods led to a decline in prices? too many industrial build ups caused excessive competition? the united states imported far too many products? the employment of business executives was cause for concern?

Overproduction of agricultural goods led to a decline in prices.

this ones right I just re read the lesson it literally states this is the answer.

A!

Explanation:

Says it right there in the lesson in this line

"When the stock market crashed, the nation's troubled economy was shown to be very weak. Agriculture was the primary area of the country's economy that gave an indication of troubled times ahead. With advanced machinery, better quality seeds, and increased efficiency, farmers should have been very prosperous.

Unfortunately, these farmers were producing more than they could sell. Because of such an abundance of food, prices continued to fall, thus lowering profits. Competition from foreign countries, especially Canada and Australia, further complicated matters. After President Hoover was elected, federally funded programs were adapted to alleviate the plight of United States agriculture. Unfortunately, these programs lost millions of dollars for the government because of the Depression."

the answer here would be

i dont know the answer sorry but if i knew it i would of told you