The Roman Empire was known for its sophisticated political and military strategies, which allowed it to dominate much of Europe, North Africa, and the Near East for centuries. Here are some of the significant strategies:

Political Strategies

1. Centralized Bureaucracy and Governance: The Roman Empire relied heavily on a strong, centralized government system. It was characterized by an emperor wielding substantial power, but supported by a complex bureaucracy. This system allowed for effective governance over vast territories.

2. Administrative Provinces: The Empire was divided into provinces each governed by Roman-appointed officials. This division allowed for localized governance and facilitated control over diverse and distant lands.

3. Infrastructure Development: Romans built extensive roads, aqueducts, and cities which not only facilitated military mobility but also economic and cultural integration across the Empire.

4. Legal System: The Roman legal system, including Roman law, provided a unified set of rights and responsibilities which promoted stability and integration across diverse cultures and communities.

5. Cultural Integration and Assimilation: The Roman Empire employed policies of cultural assimilation, often adopting gods and practices from other cultures into the Roman pantheon and society, which helped in maintaining peace across its territories.

Military Strategies

1. Professional Standing Army: The Roman military was a professional standing army, one of the first of its kind. Soldiers were well-trained, disciplined, and served long terms, which increased loyalty and military effectiveness.

2. Legion System: The Roman legions were highly organized and flexible units that could be deployed effectively in various terrains. Each legion was a self-sufficient unit having its own cavalry and logistics.

3. Engineering Prowess: Roman military was known for its engineering skills, constructing roads, bridges, and fortifications that supported both offensive and defensive operations.

4. Strategic Fortifications: The construction of fortresses and walls, like Hadrian’s Wall in Britain, helped secure borders and manage frontiers effectively.

5. Divide and Conquer Approach: Politically and militarily, Rome often employed a divide-and-conquer strategy. They would foster divisions among potential adversaries or local tribes to weaken opposition before engaging directly.

6. Integration of Conquered Peoples: Romans often integrated soldiers from conquered peoples into their military, a practice referred to as "auxiliaries," which allowed for a larger and more versatile army.

For more detailed insights into the Roman Empire's strategies, you might find this Encyclopedia Britannica article helpful.