Which power did merchants and artisans eventually gain in the Roman Republic?

The ability to elect officials who could veto laws harmful to plebeians
The ability to select patrician consuls
The right to help Etruscan authorities in governing Rome
The right to share power with patrician authorities for part of the year

It's A.

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The power that merchants and artisans eventually gained in the Roman Republic was the ability to share power with patrician authorities for part of the year.

In the Roman Republic, merchants and artisans eventually gained the ability to elect officials who could veto laws harmful to plebeians. This power was a result of their struggle for recognition and representation within the Roman political system.

To arrive at this answer, we can eliminate the options that are not relevant to merchants and artisans.

The ability to select patrician consuls refers to the election of the highest-ranking officials in the Roman Republic. This power was not exclusive to merchants and artisans but was held by all eligible citizens (patricians and plebeians).

The right to help Etruscan authorities in governing Rome has no direct relevance to merchants and artisans. This option is more about the relationship between Rome and the Etruscans, rather than the specific powers granted to certain groups within Rome.

The right to share power with patrician authorities for part of the year is known as the "consular tribunate." While this measure did increase plebeian representation within the Republican government, it was not specific to merchants and artisans, but to the entire plebeian class.

Thus, the correct answer is the ability to elect officials who could veto laws harmful to plebeians. This power, known as the "tribuneship," was established through the struggles of the plebeians to secure political rights and protections for themselves.