Why was it important for citizens to participate in the Assembly? to have a say in the creation of rules
to select leaders to run the government
to have enough people available for a fair jury
to ensure that enough people were in the army

The goal is to bring together a diverse group of people to research the chosen topics. Information is presented in order to offer a common set of facts, options are assessed, and suggestions are conveyed to the relevant authorities.

So, option C is the correct statement which is important.

The other options are incorrect as:

Thus Option C is the only reason correct because of which citizen participated in the assembly.

For more information about the participation of citizens in the assembly refer to the link:

link

it is important for citizens to participate in the assembly to have enough people available for a fair jury

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.