The primary reason that elections are important to democracies are a chance for citizens to make their voices and beliefs heard and ensure the wants and needs of the people are represented through the election of representatives.
This representation is essential to the function of democratic governments.
This answer would depend on what the country you are referring too. For the world, I foresee that there will most likely be more war as right now Putin is pushing his ambitions to restore the once known empire of the Soviet Union. This means war in major continents Asia and Europe. NATO is in both continents, and if one country gets involved, they all do. This would mean more than 50% of the worlds countries would be at war with Russia under the agreement of NATO.
While Hoover ignored pleas of help from many people believing that the government should not intervine on their personal lives, much of it had to do with corrupt banking and overproduction from farms. Hoover could have regulated the banks better but the depression is not entirely his fault.