Starting in 1811, traders and manufacturers were more easily able to send goods upriver in ... provided the necessary power to counteract the flow of the waters.
steamboats
which
that
that steamboats
Pembahasan: Adjective Clause
Gunakan that + P untuk memodifikasi noun ketika that lebih alamiah daripada which/who.
Bandingkan pilihanmu dengan sobat pembelajar yang lain.