All sorts of good things he could do. Promote books, articles, and movies on Catholics in America. Promote vocations. Highlight the role of Catholics in the formation of the Republic. Organize pilgrimages to the tombs of American saints. Organize a novena in preparation for the 4th of July. Organize a novena for the Immaculate Conception the Patroness of the USA and order a grand celebration of the feast day itself. Consecrate the USA to the Immaculate Conception in every parish of the USA on the 8th of December.
But ....