Potential presidential candidates examine whether they have the ability to garner enough resources, both human and financial, to run a viable campaign and explore the viability of their success by participating in activities within what is often referred to as .

The invisible primary

Explanation:

The invisible primary is the time before the initial primary takes place, when potential candidates try to gain recognition and money as well as put together the necessary organisation.

The winner of these primaries are typically the winner of the primary.

The invisible primary, also known as the money primary, is the period between the first well-known presidential candidates with strong political support networks showing interest in running for president and demonstration of substantial public support by voters for them in primaries and caucuses.