Answer: Petroleum, Electricity and Steel
Explanation: The second industrial revolution is a period between the late 19th to the early 20th century which is characterized by massive growth and expansion of industrialization. The second industrial revolution is also known as the technological revolution most notable for steel production, expansion in electrification which was previously limited to very few cities and development of Petroleum and gas supply.
Answer : Thomas Edison created many of the individual elements needed for the creation of the motion picture industry. Examples of his inventions are the light bulb, the phonogram, the kinetograph (a motion picture camera) and the kinetoscope (a peephole motion picture viewer).
Explanation: when you answer your question make in direct .. <3
A kamikaze was a Japanese pilot who was trained in WW2 to make a suicidal crash attack, etc, on anything, but they mostly targeted ships. (Battleships, Cargo, etc)
The telegraph changed society by facilitating communications among Americans. The telegraph gave Americans the chance to send and receive messages at an unprecedented speed and volume. Professor Samuel Morse, an instructor at New York University, created the first version of the telegraph in the 1830s, and, although well-planned, the device required significant revisions before allowing communications between the East and West coasts and eventually overseas