What happened in the Roman Conquest of Gaul

The wars culminated in the decisive Battle of Alesia in 52 BC, in which a complete Roman victory resulted in the expansion of the Roman Republic over the whole of Gaul.  In 56 BC, Caesar defeated the Veneti in a naval battle and took most of northwest Gaul.

Explanation:

Conquering Gaul allowed Rome to secure the natural border of the Rhine river

Explanation:

Conquering Gaul allowed Rome to secure the natural border of the Rhine river. The wars began with conflict over the migration of the Helvetii in 58 BC, which drew in neighboring tribes and the Germanic Suebi.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

b)

it created free trade throughout the colonial territories.