Vessels made of a combination of wood and metal, called iron clads, were first sued by the two sides in the US Civil War.
SS Great Britain built by IK Brunel The SS Great Britain was a ship not a "boat"
by whom was hindi first used
The Bronze Age began about 5,000 years ago. We don't know in what year or by whom metal was first smelted.
no one
they saw five men in ahab's boat whom no one had seen before
The word was first used in the 17th century. It is not known whom the actual person was that first used the word.
By Brittney Carlton in 1895.
'Whom' is used when you are referring to the object of the verb. 'Who' is used when you are referring to the subject of the verb. 'Who is there?' 'Who broke that vase?' 'For whom is that parcel intended?' 'Whom did you see?'
By Jerry Fodor, in his 1975's The Language of Thought.
"Both of whom" is correct grammar. It is used when referring to two people. For example, "I invited John and Mary, both of whom attended the party."
Yes, "whom" can be the object of a preposition (for whom, with whom, of whom, etc.).
they saw five men in ahab's boat whom no one had seen before