Which action did the spanish take during the american revolution that impacted louisiana?

a) they assisted american troops in winning the war, allowing them to maintain control of the gulf coast for several years.

b) they eagerly backed european allies, supporting the british by giving up key ports along the coast and surrendering louisiana.

c) they were forced to surrender to the british, returning home and forfeiting any land claims.

d) they denied a british call for support, remaining neutral throughout the conflict, which caused local tensions in louisiana.