The correct answer would be D, 'sprang', because the conjugation of the verb to spring goes: spring - sprang - sprung; it is an irregular verb, so springed and spranged are not options. In be, past perfect tense is unnecessary, so D is correct.
The correct answer is 2 and 3.
Indeed, it is not possible to create a schedule without knowing what the actual goals of the research will be since depending on the goals, the research may take a longer or shorter time since the goals will be contingent upon the actual means of the research team to achieve them and that will influence the time and the dates when such goals can be accomplished.
Therefore, it is first necessary to set the goals and then researchers will be able to determine the schedule.
Answer:
Vietnam
Explanation: Learned about it a couple years ago
Answer:I think Andrew Jackson
Wanted to Justify the Indian Removal act, which allowed the United States to take American Indian land so that white settlers could use it for farming
Explanation: Because In the 1830s, President Andrew Jackson pursued a policy of Indian Removal, forcing American Indians living in Georgia, Florida, and Mississippi to trek hundreds of miles to territory in present-day Oklahoma.