Why was it difficult to write a constitution that all states would approve

In 1957, james vicary reported that subliminal messages in a movie reel ("eat popcorn") caused viewers to rush to the concessions stands. although his findings became famous, the problem is that

According to the chart, the power to tax is a concurrent power, meaning a) it belongs to the state government. b) it is a government power that is shared. c) it is less important than the power to borrow money. eliminate d) it is more important than the regulating state trade.

State law requires you to inform the secretary of state''s office of an address change within days.