During one speech on the Senate floor, Seward famously stated that slavery was an immoral practice and argued that there existed “a higher law than the Constitution.” Seward was reelected to the Senate in 1855 and later joined the Republican Party after the dissolution of the Whigs.
While settlers traveled west along the Oregon Trail for a variety of reasons, most were motivated either by land or gold. Various land acts in Oregon provided free land to pioneers, while the start of the California Gold Rush in 1848 lured thousands more.
Assuming the underlined word is 'singing,' the correct answer is going to be A. participle.
A participle and a gerund look the same - they both end in -ing. However, participles are used as adjectives (as is the case here), whereas gerunds are used as nouns. Infinitives always have the same form, which is TO + verb.
The Northern Renaissance was also closely linked to the Protestant Reformation with the resulting long series of internal and external conflicts between various Protestant groups and the Roman Catholic Church having lasting effects.