Which of the following explains why a small conflict in the balkans spread to all of europe?

many of the european powers had entered into alliances requiring them to defend each other.
most of the european powers lacked military defenses to stop an attack.
serbia refused all of austria-hungary’s demands, prompting other nations to declare war.
slavs in russia refused to support their fellow slavs in the balkan region.

Will repost for more points once answered. i need this by tomorrow morning. this is the last thing i need for the year so whoever answers it i will give the remaining of my points (700) must not be plagiarized. write a report analyzing the effects of reconstruction on the political, social, and economic life of the nationimagine that you are a northern congressional representative who has gone south after the war to analyze the effects of reconstruction. you are to write a report that analyzes the effects of the civil war and reconstruction on the political, economic, and social life of the nation.as you research the effects, you may want to think about the following in the preparation of your report: 1. economic difficulties faced by the united states during reconstruction. note the difficulties of the south in comparison to the north.2. social problems that faced the south during reconstruction and the impact on various groups. note issues like former slaves, the enfranchisement of confederates, the federal occupation, and the need to adopt new state constitutions.3. political problems resulting from radical reconstruction replaced some white southerners in politics with northerners and blacks; this sparked controversy and resistance among many white southerners.your report to congress is to be typed using proper grammar, spelling, and punctuation. your report should be 500 words in length.

Find and simplify an expression for the area of five rows of square with side lengths of x

"as long as the reason of man continues fallible, and he is at liberty to exercise it, different opinions will be formed the diversity in the faculties of men, from which the rights of property originate, is not less an insuperable obstacle to a uniformity of interests. the protection of these faculties is the first object of government. from the protection of different and unequal faculties of acquiring property, the possession of different degrees and kinds of property immediately results, and from the influence of these on the sentiments and views of the respective proprietors, ensues a division of the society into different interests and parties." - publius (james madison), federalist no. 10 based on the text, which of the following statements would the author most likely agree with? a: political liberty is best protected by the fragmentation of political power in a large republic. b: political liberty is best protected by a small republic with a unicameral legislature. c: political liberty is least protected in large republic with lots of fractions. d: political liberty is best protected by a particularly democracy.