1-gives Congress its powers and limits.
2- responsibility and authority for the administration throughout the day of the state.
Answer:
D. His improvements allowed the steam engine to run more efficiently on oil instead of coal.
Nationalism is patriotic feelings and having pride in one's country.
You don't show options, so here are the different definitions
1. "the study of past events, particularly in human affairs."
2. "the whole series of past events connected with someone or something."
3. "a continuous, typically chronological, record of important or public events or of a particular trend or institution."