If you are talking about the development of political parties, then the issue that led it to them was “the struggle over ratification of the federal Constitution of 1787” (loc.gov).
Federalists, such as Alexander Hamilton, wanted a strong, central government and the Anti-Federalists, like Thomas Jefferson, “advocated states’ rights instead of centralized power”. (Library of Congress)
Answer:
Keep the environment clean, try avoiding using plastic, and shop wisely
Explanation:
The ways you can keep your earth clean
Austria-Hungary invaded serbia after the assassination of the arch duke Ferdinand. This started World War 1.
The conflict over the establishment of the state of Israel.
Immediately after Israel declared itself an independent nation (free of British mandate control), a coalition of Arab states attacked, in 1948. Another war over the Suez Canal zone followed in 1956 -- though that was more a direct matter between Egypt and Israel (as well as Britain and France). Further wars between Israel and Arab neighboring states occurred in 1967 (the Six Day War) and in 1973 (the Ramadan or Yom Kippur War).
Control, I just put the answer in and got it right!