Answer:
<u>Congressional election:</u>
The first congressional elections happened in the year 1788-1789 in the United States. Now, the elections are carried out for the purpose of selecting the number of legislators to carry out the function of making up a system or set of rules for the country to run.
<u>Presidential Elections in the US:</u>
Now, the first Presidential elections in the United States happened in the era 1789. As the system was all set to appoint the Chief executive of the United States.
Normally, the Presidential elections inside the US happens after every four years, during that other local and state elections are also carried out by the concerned departments.
Explanation:
<u>The Congress or the Legislative body in the US:</u>
The congress serves as the basic legislative body for the government or the system in the United States or simply the US. As there are 435 number of legislators comprising the American congress. Each of the member serves the two year term and then the extensions for carrying any further services is carried out through the mid term election every two years.
<u>First President of American: </u>
Before, the Presidential elections there are some preparations been carried out by the different institutions.And for that congress helped out to appoint electoral's from the different states to represent there voters. And fortunately the first President of the US, George Washington was appointed through a fair election system.