Two aspects of human activities studied in political history are:

Here are the answers to the questions:

1. Two aspects of human activities studied in political history are:

   • State formation and development
   • Governance and administration

2. Two reasons why the earliest mammals lived on trees are:

   • Protection from ground predators
   • Access to abundant food sources like fruits and leaves

3. Two ways in which the Sumerians reclaimed their land are:

   • Draining swamps
   • Constructing irrigation canals to bring water to dry areas

4. Land was left fallow in Britain before the Agrarian Revolution to allow the soil to regain its fertility and nutrients.

5. Two advantages of the seed drill invented during the Agrarian Revolution in Britain are:

   • It planted seeds in straight rows, making weeding easier.
   • It planted seeds at a uniform depth, leading to better germination and higher yields.

6. Two African cultures that spread to the Americas during the trans-Atlantic trade are:

   • Yoruba culture
   • Kongo culture

7. Two wheelless vehicles that were used for transport are:

   • Sleds/sledges
   • Canoes/boats

8. Two forms of messages relayed by the use of drum beats in ancient times are:

   • Warning or alarm signals
   • Announcements of important events like births, deaths, or ceremonies

9. One way in which poverty hinders industrialization in third-world countries is the lack of capital for investment in industries and infrastructure.

10. Two tourist attraction sites in ancient Kilwa are:

    • The Great Mosque of Kilwa
    • Husuni Kubwa palace

11. One way in which the Berlin Conference solved the dispute among the European powers in Congo was by recognizing King Leopold II's personal claim to the Congo Free State.