This document contains information about the top 10 countries by population and economic output. It provides details on the type of government, head of state, and head of government for each country. Additionally, it lists US presidents' international trips with the number of visits to different countries. Finally, it summarizes two important international agreements: the Egypt–Israel Peace Treaty and the SALT II nuclear arms reduction treaty.

1. By: Benedict Gombocz and Cristi Olăraşu
U.S. History

2.  United States
 China
 Russian Federation
 France
 Great Britain
 Japan
 India
 Germany
 Pakistan
 Brazil

3.  Rank: 1
 Government:
Presidential democracy
 Type of state: Two-party
 Head of state: President
 Head of government:
Vice President

4.  Rank: 2
 Government: Socialist
republic
 Type of state: Single-
party
 Head of state: President
 Head of government:
Premier

5.  Rank: 3
 Government:
Presidential democracy
(de jure), autocracy (de
facto)
 Type of state: Multi-party
(de jure), single-party (de
jure)
 Head of state: President
 Head of government:
Prime Minister

6.  Rank: 4
 Government:
Presidential democracy
 Type of state: Multi-party
 Head of state: President
 Head of government:
Prime Minister

7.  Rank: 5
 Government:
Constitutional Monarchy
 Type of state: Multi-party
 Head of state: Queen
 Head of government:
Prime Minister

8.  Rank: 6
 Government:
Constitutional Monarchy
 Type of state: Multi-party
 Head of state: Emperor
 Head of government:
Prime Minister

9.  Rank: 7
 Government:
Parliamentary
democracy
 Type of state: Multi-
party
 Head of state: President
 Head of government:
Prime Minister

10.  Rank: 8
 Government:
Parliamentary
democracy
 Type of state: Multi-
party
 Head of state: President
 Head of government:
Chancellor

11.  Rank: 9
 Government:
Parliamentary
democracy
 Type of state: Multi-party
 Head of state: President
 Head of government:
Prime Minister

12.  Rank: 10
 Government:
Presidential democracy
 Type of state: Multi-party
 Head of state: President
 Head of government:
Prime Minister

13.  Country  Number of trips
 Brazil  13
 Vatican City  19
 Russia  20
 Germany  27
 Italy  28
 Mexico  29
 France  34
 Canada  35
 United Kingdom  50+

14.  Signed in
Washington, D.C. on
Monday, March 26, 1979 by
Egyptian President Anwar
El Sedat and Israeli Prime
Minister Menachem Begin.
 Signed 16 months after
Anwar El Sadat visited
Israel in 1977.
 Made Egypt the first Arab
country to recognize Israel.

15.  Signed in Vienna on
Monday, June 18, 1979 by
Jimmy Carter and Leonid
Ilyich Brezhnev.
 Was the last treaty
signed during the period
of détente as the Soviet
Union invaded
Afghanistan six
months later.